#Starryscape
Picture of the Day 2019 Dec 14
"Meteor illusion
#Geminids
"
#Yamanashi
2014/12/14 21h38m
Tonight is the peak of
#Gemini
meteor shower. Meteor is a phenomenon where small dust hits the Earth's atmosphere and emits light. The parent body of the meteor shower is a comet.
#Starryscape
Picture of the Day 2019 Dec 15
"Tears of Twins"
#Asagiri
2014/12/15 00h21m
In the middle of the night, when the radiant point of the Gemini
#meteor
#shower
(
#Geminids
)is almost at the zenith, meteors will flow to the horizon.
Its appearance is like "
#tear
of twins"
#今日の星景写真 2022年1月25日
「シリウスへ」
撮影日時:2015/01/24
#菅平
全天で最も明るい恒星、#シリウス。
そこに向かって歩いてゆく。
Sirius, the brightest star in the sky.
I'm walking towards
#Sirius
.
#星景写真
#長野県は宇宙県
ダークエネルギーはいらない!?基準光源として使われるIa型超新星が「赤方偏移で進化しない」という仮定が間違っているという。
ノーベル賞研究の否定だ。
New evidence shows that the key assumption made in the discovery of dark energy is in error via
@physorg_com
As
@NASAVoyager
2 moves through interstellar space ~11 billion miles away, it received commands from the upgraded 70-meter Deep Space Network dish at
@CanberraDSN
. Upgrades are on track to wrap in February — a boon for
@NASAPersevere
&
#Artemis
missions.
During the next revolution I tried to capture the C/2020 F3 (NEOWISE) comet a bit closer, the brightest one over the last 7 years.
Its tail is quite clearly visible from the
@Space_Station
!
#ISS
#comet
#NEOWISE