Nereide @Nereide Twitter profile | Pikagi

Pikagi

Nereide

@Nereide

7,807

Followers

68

Following

5,004

Media

60,398

Statuses

Physicist interested in Astrophysics & Particle Physics| Research in Math & Science Edu| Math & Science Writer| Teacher & Teacher Trainer| WomenInSTEM

Italy

https://t.co/q0wuSQpAXc

Joined June 2007

Don't wanna be here? Send us removal request.

Pinned Tweet

@Nereide

Nereide

7 months

This striking composite image, made combining data from Chandra (X-ray light) & VLT MUSE (optical light) & Hubble, shows a supernova remnant with a lonely neutron star. For the first time a special kind of neutron star, having both a low magnetic field and no stellar companion,

Tweet media one

8

88

284

Last Seen Profiles

@1ieoz

@Sudani4413

@HarryPotter1690

@ofARTHYPEN

@bay72055

@rendangburrito

@kenisubi

@bokeplokalmalam

@huorelensarr

@enricomolinari

@GMalodobry

@Swirlix_684

@Mch0ly96

@itgirlnadine

@Circuitcat_es

@numerai

@_QAE0

@comer_tristan

@comer_tristan

@KomunitasSophia

@saly_sif

@populerfiction

@Y_Cab_4

@AzusaAmami

@knkzsr__

@rosemarieho_

@ss_ss_s

@PoojaUmashankar

@TheSixNineO

@istrihipsex

@MeBERETE

@creepypasta

@rx_b26

@CongMikeSimpson

@ThePatronizer_

@bokeplokalmalam

@Nereide

Nereide

1 year

1/3 @NASAHubble celebrated its 31st anniversary with this impressive view of AG Carinae, a luminous blue variable (LBV) 20,000 ly away in the constellation Carina. Credit: ESA/Hubble and NASA, A. Nota, C. Britt More➡️ #scritturebrevi #VentagliDiParole

Tweet media one

25

428

3K

@Nereide

Nereide

1 year

1/3 The imagery of flowers isn't rare in the sky. Here's NGC 7023, the Iris Nebula, a stupendous and bright reflection nebula lying in Cepheus, 1,300 ly away. The bright blue portion is 6 ly across. Credit and info➡️ #scritturebrevi #VentagliDiParole

Tweet media one

20

395

2K

@Nereide

Nereide

2 years

This graphic by Pablo Carlos Budassi provides a logarithmic map of the entire observable universe, thanks to data (updated as of May 2022) by researchers at Princeton University. Go to➡️ (Tap on the image) #scritturebrevi #VentagliDiParole #Space

Tweet media one

41

706

2K

@Nereide

Nereide

2 years

1/2 Spectacular timelapse of comet C/2020 F3 (NEOWISE) with noctilucent clouds, dating back to July 2020. It is a long period comet discovered on March 27, 2020, during the NEOWISE mission of the WISE space telescope. ➡️ #scritturebrevi #VentagliDiParole

19

348

2K

@Nereide

Nereide

1 year

1/4 This breathtaking image by Fred Vanderhaven, taken in 2014 from Siding Spring Observatory, shows IC 2944, an emission nebula nicknamed the Running Chicken Nebula for the bird-like shape of its brightest region. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

20

314

2K

@Nereide

Nereide

1 year

1/3 I already talked abt NGC 2359, an emission nebula also known as Thor's Helmet. This version is a stunning image obtained by Martin Pugh with data from broadband and narrowband filters using 3 different telescopes. ➡️ #scritturebrevi #ventaglidiparole

Tweet media one

19

280

2K

@Nereide

Nereide

1 year

1/2 This amazing image by Don Goldman shows the central region of the open cluster NGC 2244 (Caldwell 50), in the heart of the Rosette Nebula (Caldwell 49). The cluster and nebula lie some 5,000 ly away in Monoceros. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

16

254

2K

@Nereide

Nereide

1 year

1/3 This fabulous image, nicknamed “Cosmic Reef” because it resembles an undersea world, commemorates Hubble's 30th anniversary in orbit. ➡️ The giant red nebula NGC 2014 and the smaller blue one NGC 2020 are part of⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

13

291

2K

@Nereide

Nereide

1 year

1/2 Mars as never seen before: this splendid mosaic was created to mark 20 years of ESA’s Mars Express, launched on 2 June 2003, using data from its High Resolution Stereo Camera (HRSC). Credits and further reading➡️ #scritturebrevi #VentagliDiParole

Tweet media one

23

326

2K

@Nereide

Nereide

1 year

1/3 This breathtaking 315-million-pixel composite by Hubble shows Chamaeleon I (Cha I) cloud , one of 3 segments within the Chamaeleon Cloud Complex, a huge star forming region at the surface of the Local Bubble. More info & credit➡️ #scritturebrevi

Tweet media one

16

278

2K

@Nereide

Nereide

4 years

#OTD in 1879, J. C. Maxwell passed away. Once Einstein said: "There would be no modern physics without Maxwell’s electromagnetic equations: I owe more to Maxwell than to anyone.” In his office in Princeton there were 3 portraits: Newton, Faraday, #Maxwell . #iteachmath #mtbos

Tweet media one

33

260

1K

@Nereide

Nereide

1 year

1/3 Scientists, using the the NASA/DLR SOFIA, investigated the magnetic field's physical properties in the Keyhole Nebula to understand the magnetic field's role in a region influenced by strong stellar feedback. Paper➡️ #scritturebrevi #VentagliDiParole

Tweet media one

21

251

1K

@Nereide

Nereide

1 year

1/3 This wonderful pic by Hubble in ultraviolet, visible, and red light shows R136, one of the most energetic star clusters known, which is the central condensation of the candidate super star cluster NGC 2070. ➡️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

7

183

1K

@Nereide

Nereide

1 year

1/3 This impressive infrared picture by NASA's Spitzer shows W5, an intense star-forming region some 6,500 ly away in Cassiopeia. It is sculpted by the flare of a generation of massive stars that is triggering the birth of the next. ➡️ #scritturebrevi

Tweet media one

13

208

1K

@Nereide

Nereide

1 year

1/3 Did you know it's expected our Sun will form a planetary nebula like this at the end of its life cycle? ➡️ This fantastic pic by P. A. Cosgrove refers to the Dumbbell Nebula (M27), shown here in colors emitted by⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

13

189

1K

@Nereide

Nereide

1 year

1/3 Were you afraid of the bogeyman as a child? Surely the Boogeyman Nebula (the dark shape in this pic from Joshua Carter) can leave you in suspense, but not in fear. ➡️ Scientifically known as LDN 1622, it is close to⤵️ #scritturebrevi #ventaglidiparole

Tweet media one

13

137

1K

@Nereide

Nereide

1 year

1/3 Using Gaia EDR3 and Hubble data, astronomers "might" have come up with the presence of a rare class of intermediate-mass black hole lurking in the core of M4, the closest globular star cluster to our planet located 6,000 ly away. ➡️ #scritturebrevi

Tweet media one

7

155

982

@Nereide

Nereide

1 year

1/3 This exceptional image, released by Hubble on 28 Feb 2006 (the largest and most-detailed one at the time), shows the Pinwheel Galaxy, aka M101. Amateur astronomer Koichi Itagaki discovered in M101 a new supernova on 19 May 2023. ➡️ #scritturebrevi

Tweet media one

9

150

915

@Nereide

Nereide

1 year

1/5 This stunning pic by Hubble’s WFC3 shows Liller 1, a stellar system in the Milky Way bulge classified as a "globular cluster" for more than 40 yrs. A 2020 study suggests it may be a much more complex object: Paper➡️ #scritturebrevi #VentagliDiParole

Tweet media one

11

161

881

@Nereide

Nereide

1 year

1/3 This pic from Mike Selby & Mark Hanson is as pretty as a painting, but it's absolutely real. It shows a blue reflection nebula known as NGC 2626, which lies some 3200 ly from Earth along the Vela Molecular Ridge. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

11

145

901

@Nereide

Nereide

1 year

1/3 In this magical pic, Lyman Insley captured the bright heart of the Rosette Nebula where lies NGC 2244 (Caldwell 50 or Satellite Cluster), an open cluster located some 5,200 ly away in the constellation Monoceros. 📷 #scritturebrevi #VentagliDiParole

Tweet media one

12

138

856

@Nereide

Nereide

2 years

1/2 Not all mammatus clouds are equally picturesque. Those in the pic, photographed in 2012 over Regina (Saskatchewan, Canada) just after a severe storm, are really spectacular. ➡️ #scritturebrevi #VentagliDiParole #NaturePhotography

Tweet media one

22

130

852

@Nereide

Nereide

1 year

1/4 A 2013 study reports the discovery of extended X-ray emission within the young star cluster NGC 602 in the Wing of the Small Magellanic Cloud (SMC) based on observations with @chandraxray . Paper➡️ Release➡️ #scritturebrevi

Tweet media one

8

168

848

@Nereide

Nereide

4 years

In this dark period, let’s cheer up with #Universe 's beauty! Enjoy these breathtaking cosmic objects (from left to right): 1. The Lagoon Nebula 2. The Orion Nebula 3. The cluster NGC 346 in the Small Magellanic Cloud. 4. The Carina Nebula Credit: NASA/ESA/Hubble #space #COVID19

Tweet media one

Tweet media two

Tweet media three

Tweet media four

41

310

808

@Nereide

Nereide

1 year

1/2 This splendid Hubble image, captured as part of a survey of protostars, shows just a small portion of the Prawn Nebula (also known as IC 4628), located some 6,000 ly away in the constellation Scorpius. ➡️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

8

152

768

@Nereide

Nereide

1 year

1/3 This magnificent pic of the Crab Nebula (M1), by Michael Sherick, arranges broadband color data and narrowband data that trails emission from ionized sulfur, hydrogen, and oxygen atoms. More➡️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

9

136

754

@Nereide

Nereide

1 year

1/2 This spectacular pic, by team ARO (), shows the Flame Nebula designated as NGC 2024. It is an emission nebula located some 1,500 ly away in the constellation Orion. ➡️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

5

139

744

@Nereide

Nereide

1 year

1/2 This fascinating composite shows NGC 6357, a diffuse nebula located some 5,500 ly away in the constellation Scorpius. ➡️ NGC 6357 actually is a "cluster of clusters" holding at least 3 clusters of young stars: ⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

8

129

731

@Nereide

Nereide

3 years

1/2 Moon, Mars, Saturn, Jupiter, Milky Way in one pic: what a wonder! They were all imaged together, just before sunrise, from the Black Sea coast of Bulgaria, in spring 2020. It is not a coincidence that planets line up, ➡️ #ThePhotoHour #scritturebrevi

Tweet media one

16

164

710

@Nereide

Nereide

1 year

1/3 This surprisingly detailed image by Martin Pugh shows M16, also known as The Eagle Nebula, a young (around 2 M years) and noticeable region of active star formation, situated some 7,000 ly away in Serpens Cauda. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

16

108

708

@Nereide

Nereide

1 year

1/3 This video shows some atmospheric optical phenomena. In the center you see the image of the Sun. Two sundogs glow distinctly from both the left and the right. ➡️ Also visible are the bright 22° halo and the rarer,⤵️ #scritturebrevi #ventaglidiarole

13

249

713

@Nereide

Nereide

1 year

1/2 In the summer of 1989, Voyager 2 became the 1st spacecraft to observe Neptune, its final planetary target. This spectacular pic shows Neptune and its largest moon, Triton, 3 days after flyby. ➡️ Triton is smaller⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

10

125

704

@Nereide

Nereide

1 year

1/4 Enceladus is a turbulent moon of Saturn. Using NIRSpec onboard @NASAWebb , astronomers detected a huge plume (up to 10,000 km or 40 Enceladus radii) of water wapor, jetting from its southern pole. Paper (pre-print): #scritturebrevi #VentagliDiParole

Tweet media one

11

134

692

@Nereide

Nereide

1 year

1/2 This fantastic image, captured by Trevor Jones with narrowband filters, depicts the midland regions of IC 410, an emission nebula some 10,000 ly away, toward the constellation Auriga. ➡️ Two outstanding objects⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

12

98

706

@Nereide

Nereide

1 year

1/3 A research team led by Violeta G. Rosas ( @UniLeiden ) captured, with high-resolution infrared imaging, the torus of dust surrounding a quasar — a very luminous SMBH that accretes matter from its surroundings. Paper➡️ #scritturebrevi #VentagliDiParole

Tweet media one

7

154

696

@Nereide

Nereide

1 year

1/3 NGC 6302, also known as the Butterfly Nebula, is a remarkable example of how stars, as they age, can take on some nice shapes sometimes resembling flowers or insects. ➡️ This image by Hubble is processed here⤵️ #scritturebrevi #ventaglidiparole

Tweet media one

8

131

688

@Nereide

Nereide

1 year

1/3 Astronomers discovered 2 of the most powerful phenomena in the Universe, a SMBH and the collision of the galaxy clusters Abell 3411–3412, combined to create an extraordinary cosmic particle accelerator. Paper (2017)➡️ #scritturebrevi #ventaglidiparole

Tweet media one

8

144

675

@Nereide

Nereide

1 year

1/3 This breathtaking composite, obtained with @NASAWebb 's NIRCam on 11 Sep. 2022, shows the inner region of the Orion Nebula. Credit & info➡️ The Orion Bar (here running from the top left to the bottom right) is the⤵️ #scritturebrevi #ventaglidiparole

Tweet media one

12

153

663

@Nereide

Nereide

4 years

A stunning photo of the #moon phases, not representing the synodic curve. The author took 28 shots (every 24 h and 41min instead of 24 h and 51min marking rhythm of the lunar month), thus obtaining an open #analemma instead of the 8-shaped curve. #Space

Tweet media one

20

210

664

@Nereide

Nereide

1 year

1/2 This breathtaking composite by @AJamesMcCarthy , taken from Payson (Arizona) in 2021, shows the @Space_Station silhouette captured in front of a partly illuminated gibbous Moon. What a sight! More➡️ #scritturebrevi #VentagliDiParole

Tweet media one

12

128

651

@Nereide

Nereide

10 months

1/2 Look at this marvel by Mihail Minkov: Moon, Mars, Saturn, Jupiter, Milky Way in the same pic, all imaged together from the Black Sea coast of Bulgaria, just before sunrise in spring 2020. It is not a coincidence that planets line up,⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

18

126

625

@Nereide

Nereide

4 years

In this clip from "Cosmos Ep.1", Sagan explains how Eratosthenes, estimating the distance between Syene and Alexandria, was able to mathematically calculate the #Earth 's #circumference . His estimation: 250,000 stadia, or 25,000 miles. The actual one: 24,860 miles (40.008 km).

31

230

590

@Nereide

Nereide

1 year

1/3 In the past I shared a composite of WFC3 photos of Arp 142, two distant interacting galaxies that resemble a penguin guarding an egg. In this pic, combined data from NASA's Spitzer and Hubble show the same pair⤵️ ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

9

124

583

@Nereide

Nereide

2 years

1/2 Do you like meteors? Here is one, captured while photographing our neighbor, the Andromeda galaxy, in 2016 close to the peak of the Perseid Meteor Shower. ➡️ #scritturebrevi #ventaglidiparole #Meteor

Tweet media one

22

125

591

@Nereide

Nereide

4 years

1/ The landscape of the Bentonite Hills in #Utah has an almost otherworldly aspect. Geologically, the #bentonite layer is a remnant of fine rhyolitic #volcanic ash and silt deposited in swamps during the #Jurassic period,140 million years ago. Image➡️

Tweet media one

23

150

573

@Nereide

Nereide

4 years

"You cannot hope to build a better world without improving the individuals. To that end each of us must work for his own improvement, and at the same time share a general responsibility for all humanity..." -Marie Curie, 'Pierre Curie'(1923) #scritturebrevi #VentagliDiParole

Tweet media one

26

237

577

@Nereide

Nereide

2 years

1/3 An international team conducted a census of all known objects within 10 parsecs (30 light-years) of the Sun: 540 between stars, brown dwarfs, white dwarfs & exoplanets in 339 systems. Here is a rotating animation showing all those objects. #scritturebrevi #VentagliDiParole

19

224

579

@Nereide

Nereide

1 year

1/3 This intriguing picture by Jose J. Chambo shows the comet C/2017 K2 (PanSTARRS), imaged on June 20, 2022. The cosmic landscape highlights also the open star cluster IC 4665 and the shiny star Beta Ophiuchi. ➡️ #scritturebrevi #ventaglidiparole #Space

Tweet media one

6

98

530

@Nereide

Nereide

4 years

1/ Here's the oldest film of a solar eclipse, restored and released online. On May 28,1900, magician, astronomer & filmmaker Nevil Maskelyne used a special adapter to film the astronomical event in North Carolina. Article➡️ @physicsJ @Mario_Livio #Space

13

190

543

@Nereide

Nereide

1 year

1/2 What is this? A gigantic flower blooming in the night sky? Obviously not. It's about the Milky Way (left) and an auroral oval (right), captured by Göran Strand in Oct 2022 across a little lake in Abisko, Sweden. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

7

126

530

@Nereide

Nereide

1 year

1/4 This breathtaking composite was obtained with data from all 3 of NASA's Great Observatories- Chandra, Hubble, Spitzer- to mark the 22nd anniversary in orbit of Hubble. The pic shows 30 Doradus, also known as the Tarantula Nebula. ➡️ #scritturebrevi

Tweet media one

6

93

518

@Nereide

Nereide

1 year

1/3 Physicists investigated whether neural networks can be used to discover physical concepts from experimental data. So they designed AI that thinks like Copernicus: AI realized that the solar system is heliocentric. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

12

101

502

@Nereide

Nereide

10 months

1/5 This intriguing pic by Stephen Kennedy shows a vast nebula complex recalling a shark, and so commonly referred to as the Shark Nebula. It includes smaller dust nebulae such as LDN (Lynds Dark Nebula) 1235 and Van den Bergh 149 & 150. #scritturebrevi #ventaglidiparole

Tweet media one

9

104

491

@Nereide

Nereide

1 year

1/4 This infrared color image by NASA's WISE shows the supernova remnant IC 443, also known as the Jellyfish Nebula. It is located near the star Eta Geminorum, some 5,000 ly away in the constellation Gemini. ➡️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

8

102

492

@Nereide

Nereide

2 years

1/2 This captivating image shows the Double Cluster (also known as Caldwell 14). It consists of two open clusters: NGC 869 (above right) and NGC 884 that are relatively young, both 14 million years old. ➡️ #scritturebrevi #ventaglidiparole #space

Tweet media one

6

58

486

@Nereide

Nereide

2 years

1/2 This stunning simulation recreates the global impact of the tsunami generated by the asteroid, which ∼66 million years ago hit the Earth causing a mass extinction of 75% of plant and animal species. Source & info➡️ #scritturebrevi #ventaglidiparole

14

109

487

@Nereide

Nereide

1 year

1/3 This nice Hubble image shows the central region of NGC 4395, a spiral galaxy located some 14 million ly away in the Canes Venatici. It's classified as a Seyfert galaxy because of its active galactic nucleus (AGN). ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

8

82

467

@Nereide

Nereide

5 months

This incredible image of Sagittarius A* (Sgr A*), the supermassive black hole (SMBH) at the core of our galaxy, has just been released by the Event Horizon Telescope collaboration ( @ehtelescope ). It reveals for the first time intense, spirally organized magnetic fields at the

Tweet media one

25

123

446

@Nereide

Nereide

1 year

1/3 This marvelous Hubble image shows the N44 superbubble complex, a turbulent emission nebula dominated by a vast bubble some 250 ly across: the dark, starry area visible in the upper central region. Credit & info➡️ #scritturebrevi #VentagliDiParole

Tweet media one

8

92

445

@Nereide

Nereide

1 year

1/3 This splendid Hubble image shows the star cluster NGC 1850, located some 160,000 ly away in the constellation Dorado, holding part of LMC, a satellite galaxy of the Milky Way. ➡️ Credits: NASA, ESA and P. Goudfrooij (STSI); Processing: Gladys Kober

Tweet media one

5

105

444

@Nereide

Nereide

5 years

The online edition of legendary 'The Feynman Lectures on Physics' is available at this link: This edition is only free to read online. It includes: Volume I Volume II Volume III Feynman's Notes Enjoy!

Tweet media one

22

228

417

@Nereide

Nereide

1 year

1/2 This intriguing composite, obtained thanks to @NASAWebb 's MIRI and NIRCam instruments, shows, as never before, the spiral galaxy NGC 5068 with its core (the whitish bar in the upper left) and part of a spiral arm. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

7

84

392

@Nereide

Nereide

5 months

“When you look at a vacuum in a quantum theory of fields, it isn’t exactly nothing.” — Peter Higgs (29 May 1929 – 8 April 2024) Peter Higgs and François Englert shared the 2013 Nobel Prize in Physics "for the theoretical discovery of a mechanism that contributes to our

Tweet media one

32

110

389

@Nereide

Nereide

1 year

1/2 In this splendid pic, Hubble captured NGC 2040 or LH 88, mesmerising stellar grouping in Large Magellanic Cloud, which is a dwarf satellite galaxy of the Milky Way. ➡️ The image shows ultraviolet, visible and⤵️ #scritturebrevi #VentagliDiParole #space

Tweet media one

6

82

381

@Nereide

Nereide

3 years

A stunning full #moon rises behind the dormant stratovolcano Llullaillaco. It lies in the Puna de Atacama, a region close to the Atacama Desert, also home to ESO's La Silla and Paranal observatories. Credit: #ESO /G.Hüdepohl (atacama ) #Science

Tweet media one

14

104

388

@Nereide

Nereide

1 year

1/3 This stunning composite shows the center of our galaxy with the SMBH Sagittarius A* (Sgr A*) in the middle. An extraordinary observing campaign, performed by @chandraxray during 2012, helped explain why gas near Sgr A* is so faint in X-rays. Paper➡️

Tweet media one

5

91

376

@Nereide

Nereide

11 months

1/3 'The Aurora Tree', a stunning pic by Alyn Wallace, shows an incredible visual coincidence between the bare branches of a foreground tree and the brilliant glow of a far- away aurora. The pic was taken in Iceland in March 2017. #scritturebrevi #VentagliDiParole

Tweet media one

13

117

386

@Nereide

Nereide

4 years

And now the beauty of the Universe! This breathtaking image of the #cluster #Westerlund2 and its surroundings has been released to celebrate #Hubble ’s 25th year in orbit and a quarter of a century of new discoveries, stunning images and outstanding #science . © NASA/ESA #space

Tweet media one

11

152

372

@Nereide

Nereide

1 year

1/2 24 April 1990: @NASAHubble , one of humanity’s greatest scientific instruments, was launched. Exactly 1 year later, this image of a small portion of the Cygnus Loop supernova remnant was taken with WFPC1 on Hubble. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

4

71

366

@Nereide

Nereide

4 years

"I don’t think that everyone should become a mathematician, but I do believe that many students don’t give mathematics a real chance. The beauty of mathematics only shows itself to more patient followers." — Maryam Mirzakhani, 2008 () #WomenInScienceDay

Tweet media one

11

108

346

@Nereide

Nereide

1 year

1/2 Earth's rotation stabilized on the night sky. Using a camera scanning the landscape of Tivoli, Namibia, Bartosz Wojczyński focused on the sky. He created a timelapse spanning 24 h that has a focal point in the sky rather than on the land. #scritturebrevi #ventaglidiparole

9

112

340

@Nereide

Nereide

10 months

1/2 This magical pic by R. McInnis shows NGC 7380, a young open star cluster in Cepheus. The surrounding nebulosity is known colloquially as the Wizard Nebula for it recalls a fictional ancient sorcerer making us experience a #thrill . #vss365 #scritturebrevi #VentagliDiParole

Tweet media one

10

72

343

@Nereide

Nereide

1 year

1/3 This fantastic telescopic skyscape shows, just below its center, the supergiant star Gamma Cygni, one of the brightest in the night sky. The field of view includes emission nebula IC 1318 and open star cluster NGC 6910. Credit & info➡️ #scritturebrevi

Tweet media one

6

75

333

@Nereide

Nereide

10 months

1/3 This incredible composite image by multiple observatories (including Hubble, Chandra, Webb) shows NGC 346, a young open star cluster with the associated nebula. It is located some 200,000 ly away in the nearby Small Magellanic Cloud (SMC),⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

9

76

331

@Nereide

Nereide

1 year

1/4 This wonderful image depicts a little region on the edge of Caldwell 99, or Coalsack Nebula, a dark nebula some 600 ly away in the constellation Crux. Credit & info➡️ At the center of the view is a much smaller⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

8

78

329

@Nereide

Nereide

2 years

1/2 Astrophotographer Dandan Huang captured this bright and green fireball, on 12 Aug 2018 above a valley in Yichang (Hubei, China), as it moved speedily along the Milky Way. The red planet appears on the lower left. ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

7

53

318

@Nereide

Nereide

1 year

1/3 Looking at this spectacular image by Adam Block, one naturally wonders if it is a painting or a photo. The stunning cosmic "still life" shows, at the upper left, NGC 2170, a reflection nebula in Monoceros. More➡️ #scritturebrevi #VentagliDiParole

Tweet media one

7

52

312

@Nereide

Nereide

1 year

1/3 This stunning infrared image from @NASAWebb , released 11 July 2022, shows the galaxy cluster SMACS 0723 as it appeared 4.6 billion years ago. It is the Webb’s First Deep Field, showing gravitational lensing of distant galaxies. ➡️ #scritturebrevi

Tweet media one

5

61

314

@Nereide

Nereide

1 year

1/4 This splendid composite of the Orion Nebula (M42), one of the sharpest astronomical images ever taken by Hubble, was released on 11 Jan 2006. ➡️ 520 Hubble images, taken in five colors, were used to make this pic,⤵️ #scritturebrevi #ventaglidiparole

Tweet media one

8

61

304

@Nereide

Nereide

10 months

1/2 This fantastic natural color view of rings was captured by Cassini spacecraft nine days before it entered Saturn's orbit, on 21 June 2004 at a distance of 6.4 million km. Credit: NASA/JPL/Space Science Institute ➡️ #scritturebrevi #VentagliDiParole

Tweet media one

9

77

308

@Nereide

Nereide

4 months

12 May 1977: math genius Maryam Mirzakhani was born. The first woman ever to be awarded the prestigious Fields Medal (2014), she was one of the greatest mathematicians of her generation and won the award for her outstanding contributions to the dynamics and geometry of Riemann

Tweet media one

16

102

311

@Nereide

Nereide

2 years

1/5 This image refers to the Hubble Ultra-Deep Field (HUDF), a small region of space containing an estimated 10,000 galaxies. This is the deepest image of the universe ever made at optical and near-infrared wavelengths. ➡️ #scritturebrevi #ThePhotoHour

Tweet media one

13

107

307

@Nereide

Nereide

10 months

1/3 This spectacular Hubble image shows G35.2-0.7N, a region some 7,200 ly away in the constellation Aquila and home to high-mass star formation. A massive protostar, lurking near the center, emits an enormous collimated beam of material that⤵️ #scritturebrevi #VentagliDiParole

Tweet media one

10

90

307

@Nereide

Nereide

7 months

Stars Stars. Silent spectators of anger and joy of terrible things. Unemotional companions of the solitary traveller of the fisherman at night of those who await a return. To the gaze they offer joyful sparks. They spread splendor. They light up wishes. Stars. Ardent

Tweet media one

19

67

297

@Nereide

Nereide

4 years

A further movie showing #Earth 's rotation relative to the Milky Way. The timelapse of the #MilkyWay was recorded using an equatorial tracking mount over a period of around 3 hours. Source➡️ #SpaceHour #Space

12

117

297

@Nereide

Nereide

4 years

Refraction, reflection, and diffraction of moonlight from millions of falling ice crystals turned the #Moon 's icon into a menagerie of halos and arcs. The colorful rings are a corona caused by quantum diffraction by small drops of water or ice. ➡️ #Space

Tweet media one

11

97

296

@Nereide

Nereide

2 years

1/2 An incredible time-lapse movie by Hubble shows, for the 1st time, seasonal changes on Uranus. The movie reveals a dynamic world with the brightest clouds in the outer solar system and a fragile ring system. Release➡️ #scritturebrevi #ventaglidiparole

4

96

294

@Nereide

Nereide

1 year

1/3 April 20, 2023: A Hybrid Solar Eclipse will occur. It is a rare type of solar eclipse changing its appearance from annular to total and back, depending on the observer's location. Learn more📷 #scritturebrevi #VentagliDiParole #HybridSolarEclipse

Tweet media one

7

75

286

@Nereide

Nereide

2 months

As a teacher and educator I will never tire of saying that the animations of Dr James O'Donoghue ( @physicsJ ) have a highly educational value. James is unique in visually translating even complex astronomical concepts in a simple and clear way. This animation, 'Sidereal Day

12

78

285

@Nereide

Nereide

1 year

1/3 This splendid image shows WR 31a, a Wolf-Rayet star also known as Hen 3-519 and a rare example of a young massive star. ➡️ Image credit: NASA/ESA/Hubble/Judy Schmidt The giant blue bubble encircling it⤵️ #scritturebrevi #VentagliDiParole #Space

Tweet media one

10

92

277

@Nereide

Nereide

3 years

🇮🇹 Wikipedia cited an article of mine on mathematician Renato Caccioppoli. (Red underline➡️). I know it isn't the Pulitzer P., but is a gratification for people like me who create & distribute free, educational materials. My post➡️

Tweet media one

41

104

276

@Nereide

Nereide

1 year

1/3 This breathtaking image presents IC 5332, a spiral galaxy over 29 Mly away in Sculptor, taken in unprecedented detail by @NASAWebb with its MIRI instrument able to see in mid-infrared. Credit & more info➡️ #scritturebrevi #VentagliDiParole #JWST

Tweet media one

5

58

276

@Nereide

Nereide

4 years

The vortex at Saturn's north pole from #Cassini . Spectacular close up of the central part of the hexagonal cloud system that surrounds the north pole of #Saturn . Original image #data dated on or about 30 December 2013. ➡️ #Space #spacehour #Science

Tweet media one

7

91

265

@Nereide

Nereide

2 months

This spectacular image of the beautiful unbarred spiral galaxy NGC 3981 was taken by the DOE-built Dark Energy Camera (DECam). NGC 3981, located 65 Mly away in the constellation of Crater, is part of the NGC 4038 Group of galaxies belonging to the large Crater Cloud that is a

Tweet media one

7

83

267

@Nereide

Nereide

7 months

1/4 This nice colour composite from APEX shows RCW 120, an emission nebula and H II region located some 4,300 ly away in Scorpius. RCW 120's dominant feature is a large, regularly shaped stellar-wind bubble, visible at submillimeter wavelengths. #scritturebrevi #VentagliDiParole

Tweet media one

12

81

272

@Nereide

Nereide

10 months

1/3 Do not #thrill yourself! It is not about a real bat.🦇 You're only seeing The Cosmic Bat Nebula (LND 43), a dark nebula in Ophiuchus, which resembles astonishingly a gigantic cosmic bat flying amidst the stars on a gloomy Halloween night. #vss365 #VentagliDiParole #Halloween

Tweet media one

16

77

273

@Nereide

Nereide

3 years

What are you seeing? Stars in your eyes? Nooo! This is a 27-frame mosaic taken from Ojas de Salar (Atacama Desert). The eye is actually a small lagoon captured, reflecting the night sky as the Milky Way arched overhead. ➡️ #ThePhotoHour #scritturebrevi

Tweet media one

11

74

266

@Nereide

Nereide

1 month

This fantastic composite, depicting the double star cluster NGC 1850, is one of the images released to commemorate the 25th anniversary of @chandraxray . NGC 1850 is rather unusual as no other objects with these characteristics are known. It is located in the bar (the northwest

Tweet media one

9

86

265

@Nereide

Nereide

3 years

1/2 Stop for a moment and listen to this pure talent that is Cateen, Hayato Sumino ( @880hz ), when he was only 7 years old. What a marvel! He is now 26 and his performances reach a portentous level. #scritturebrevi #Ventaglidiparole

8

31

267