Andrew Rader @marsrader Twitter profile

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Andrew Rader

4 years

My new build-your-own space program game arrived! Can't wait to play it this weekend: There's already a walkthrough video and active forum.

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Andrew Rader

@marsrader

3 years

500 million stars at the heart of the Andromeda Galaxy. (📷 Hubble)

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Andrew Rader

@marsrader

6 years

Jupiter shot in UV light from Hubble to map its clouds. (📷 processing: Judy Schmidt)

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Andrew Rader

@marsrader

3 years

The first flower grown in space. (📷 ISS)

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Andrew Rader

@marsrader

3 years

This spacetime floor is absolutely flat.

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Andrew Rader

@marsrader

2 years

500 million stars at the heart of the Andromeda Galaxy. (📷 Hubble)

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Andrew Rader

@marsrader

4 years

Clouds casting thousand-mile shadows as seen by the International Space Station.

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Andrew Rader

@marsrader

2 years

Not Saturn, but Uranus and her moons as seen in infrared. (📷 ESO)

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Andrew Rader

@marsrader

3 years

Anna Fisher in 1985 - one of the first US women in space, and the longest running active NASA astronaut.

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Andrew Rader

@marsrader

4 years

Earth-Moon-Venus-Jupiter alignment from the International Space Station.

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Andrew Rader

@marsrader

4 years

Eerily beautiful solar eclipse from Svalbard. (📷 Luc Jamet)

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Andrew Rader

@marsrader

6 years

Today, Pluto is crossing the solar system's plane for the first time since 1931, only a year after its discovery. It won't do so again for 161 years. (📷 Anne Verbiscer)

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Andrew Rader

@marsrader

2 years

Anna Fisher in 1985 - one of the first US women in space, and the longest running active NASA astronaut.

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Andrew Rader

@marsrader

7 years

Massive aurora on Jupiter, as seen by @HubbleTelescope .

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Andrew Rader

@marsrader

3 years

If the Sun were the size of a human cell, the Milky Way would be the size the entire Earth.

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Andrew Rader

@marsrader

4 years

Meteor burning up in the atmosphere, as seen from the International Space Station.

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Andrew Rader

@marsrader

3 years

Great Lakes at night, as seen from ISS. (📷 NASA)

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Andrew Rader

@marsrader

3 years

Clouds casting thousand-mile shadows as seen by the International Space Station.

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Andrew Rader

@marsrader

3 years

Eerily beautiful solar eclipse from Svalbard. (📷 Luc Jamet)

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Andrew Rader

@marsrader

7 years

Saturn photobombing the Moon.

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Andrew Rader

@marsrader

3 years

Strange that sunsets are red on the Blue Planet and blue on the Red Planet.

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Andrew Rader

@marsrader

2 years

ISS with the lights out almost looks like the interior of a Borg cube.

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Andrew Rader

@marsrader

3 years

Blue tide in the Maldives caused by tiny glowing ostracod crustaceans.

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Andrew Rader

@marsrader

10 years

Antarctica from space. You don't see it a lot because you have to be in a specific polar orbit to get this view. http://t.co/lP6l0z9xil

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Andrew Rader

@marsrader

3 years

Cassini views Io against Jupiter on the way to Saturn.

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Andrew Rader

@marsrader

3 years

Lightning in Jupiter's cloud tops, based on imagery from Juno. (📷 NASA/JPL)

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Andrew Rader

@marsrader

3 years

ISS with the lights out almost looks like the interior of a Borg cube.

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Andrew Rader

@marsrader

3 years

In the future, Mars will have a ring like Saturn generated by the breakup of its moon Phobos.

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Andrew Rader

@marsrader

2 years

A million stars in the Carina Nebula. (📷 ESO)

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Andrew Rader

@marsrader

3 years

Clouds casting thousand-mile shadows as seen by the International Space Station.

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Andrew Rader

@marsrader

3 years

Our planet is a lonely speck in the great enveloping cosmic dark. -Carl Sagan

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Andrew Rader

@marsrader

3 years

Anna Fisher in 1985 - one of the first US women in space, and the longest running active NASA astronaut.

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Andrew Rader

@marsrader

3 years

Somewhere in the galaxy a photon from a flashlight that you pointed at the sky as a kid is still traveling through space.

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Andrew Rader

@marsrader

3 years

Star & Earthlight trail from the International Space Station.

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Andrew Rader

@marsrader

3 years

I suppose it's only fair.

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Andrew Rader

@marsrader

6 years

Like absolute zero, there is a postulated absolute hot at 142 nonillion kelvin (142,000,000,000,000,000,000,000,000,000,000 K) which the Universe passed through 10^-42 seconds after the Big Bang.

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Andrew Rader

@marsrader

3 years

Frozen lake in the Himalayas as seen from ISS. (📷 NASA)

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Andrew Rader

@marsrader

2 years

In the future, Mars will have a ring like Saturn generated by the breakup of its moon Phobos.

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Andrew Rader

@marsrader

3 years

If the Sun were the size of a human cell, the Milky Way would be the size the entire Earth.

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Andrew Rader

@marsrader

3 years

After trillions of years, an expired star would be cool enough to touch, but its gravity would still kill you. (📷 NASA)

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Andrew Rader

@marsrader

2 years

Old school rocket engineering.

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Andrew Rader

@marsrader

3 years

Hubble taking an amazing shot of Saturn. (📷 NASA composite)

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Andrew Rader

@marsrader

3 years

Old school rocket engineering.

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Andrew Rader

@marsrader

3 years

Not Saturn, but Uranus and her moons as seen in infrared. (📷 ESO)

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Andrew Rader

@marsrader

3 years

Before the Moon formed, a day on Earth was only 6 hours long. (📷 NASA conception)

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Andrew Rader

@marsrader

4 years

Solar flare at different wavelengths. (📷 NASA)

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Andrew Rader

@marsrader

3 years

Apollo 16 astronaut Charlie Duke left a photo of his family on the moon.

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Andrew Rader

@marsrader

3 years

Volcanic eruption on Jupiter's moon Io.

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Andrew Rader

@marsrader

2 years

Pluto over time.

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Andrew Rader

@marsrader

3 years

Cassini views Io against Jupiter on the way to Saturn.

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Andrew Rader

@marsrader

3 years

If advanced civilizations in Andromeda can see us, they're watching the first proto-humans 2 million years ago.

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Andrew Rader

@marsrader

3 years

Volcanic eruption on Jupiter's moon Io.

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Andrew Rader

@marsrader

3 years

Apollo 16 astronaut Charlie Duke left a photo of his family on the moon.

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Andrew Rader

@marsrader

4 years

Pluto has a whole system of moons. (📷 NASA)

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Andrew Rader

@marsrader

3 years

Italy and the Alps at night, as seen from ISS. (📷 NASA)

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Andrew Rader

@marsrader

3 years

Before the Moon formed, a day on Earth was only 6 hours long. (📷 NASA conception)

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Andrew Rader

@marsrader

3 years

Our planet is a lonely speck in the great enveloping cosmic dark. -Carl Sagan

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Andrew Rader

@marsrader

7 years

Buckminster Fuller's Dymaxion Map is a flat undistorted projection that reveals our planet as a single island chain surrounded by ocean.

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Andrew Rader

@marsrader

3 years

One of the first footsteps on another world, taken during Apollo 11.

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Andrew Rader

@marsrader

4 years

Venus is the only planet in the solar system where the Sun rises in the west and sets in the east.

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Andrew Rader

@marsrader

3 years

Triple lunar eclipse of Jupiter (Io, Callisto, and Europa) - only happens once every few years.

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Andrew Rader

@marsrader

4 years

Meteor burning up in the atmosphere, as seen from the International Space Station.

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Andrew Rader

@marsrader

3 years

Sun in Ultraviolet - great way to visualize coronal loops generated by an intense magnetic field.

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Andrew Rader

@marsrader

3 years

Venus is the only planet in the solar system where the Sun rises in the west and sets in the east.

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Andrew Rader

@marsrader

3 years

Up close with 6.8 million pounds of thrust. (📷 NASA)

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Andrew Rader

@marsrader

4 years

Hubble taking an amazing shot of Saturn. (📷 NASA composite)

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Andrew Rader

@marsrader

4 years

Across the sea of space, the stars are other suns. -Carl Sagan

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Andrew Rader

@marsrader

3 years

In the future, Mars will have a ring like Saturn generated by the breakup of its moon Phobos.

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Andrew Rader

@marsrader

2 years

Stellar nursery in the Tarantula Nebula. (📷 ESO).

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Andrew Rader

@marsrader

2 years

Lagoon Nebula in all its glory. (📷 Hubble)

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Andrew Rader

@marsrader

3 years

Across the sea of space, the stars are other suns. -Carl Sagan

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Andrew Rader

@marsrader

3 years

Voyager launched carrying recordings of 56 languages: 55 human & 1 whale. So maybe Aliens will answer in whale?

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Andrew Rader

@marsrader

3 years

Transit of Venus across the Sun.

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Andrew Rader

@marsrader

3 years

Triple lunar eclipse of Jupiter (Io, Callisto, and Europa) - only happens once every few years.

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Andrew Rader

@marsrader

2 years

Hubble taking an amazing shot of Saturn. (📷 NASA composite)

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Andrew Rader

@marsrader

3 years

Amazing high res of a 51-mile wide skating rink embedded a mile deep in Korolev crater on Mars. (📷 ESA Mars Express composite)

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Andrew Rader

@marsrader

6 years

Not sure who did this but I want to shake their hand.

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Andrew Rader

@marsrader

6 years

Things Nikola Tesla invented: -Tesla coils -Neon lights -Induction motors -Radio (patented before Marconi) -Wireless communication (concept) -Shadowgraphs (how we see x-rays) -Remote control (boat steered by radio) -Alternating current (basis of our electrical grid) -Death rays

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Andrew Rader

@marsrader

3 years

Pluto over time.

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Andrew Rader

@marsrader

2 years

Zoom in on the Horsehead Nebula in Orion.

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Andrew Rader

@marsrader

2 years

Apollo 16 astronaut Charlie Duke left a photo of his family on the moon.

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Andrew Rader

@marsrader

4 years

Mary Jackson, the first black female engineer at NASA (photo taken 1977 later in her career).

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Andrew Rader

@marsrader

4 years

It's a remarkable accident that the Sun and Moon are almost exactly the same size in the sky. (📷 NASA)

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Andrew Rader

@marsrader

3 years

Trillions of stars in thousands of galaxies in a deep field that represents less than a millionth of the sky. (📷 Hubble)

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Andrew Rader

@marsrader

4 years

In 1610, Galileo peered at Jupiter through a telescope and saw 4 small moons. This was the first observation of worlds that conclusively orbited something other than Earth, revolutionizing our understanding of the cosmos.