Tom Bair

[SPACE.com @SPACEdotcom]

Saturn's moon Mimas is dominated by a huge crater called Herschel that makes the moon look like the #DeathStar. https://t.co/wF3w08BBnj

[Men's Humor @MensHumor]

Look how instinctively, the mother croc carries the baby in its mouth. Nature is beautiful.

[Universe Today @universetoday]

Evidence Continues To Mount For Ninth Planet - https://t.co/CvfKyi9b9x by @storybywill

[SPACE.com @SPACEdotcom]

Happy Anniversary, #Voyager2! @NASA Probe Flew by #Saturn 35 Years Ago https://t.co/q7w2H0fIws

[ARCHIVED NASA Astronauts @NASA_Astronauts]

At the edge of the world installing the Intl. Docking Adapter. Congrats to the teams who made this possible #Exp48

[Kelly O'Donnell @KellyO]

Today State Dept released another 1012 pages of @HillaryClinton.
81 "upgraded" to "Confidential" & 3 given new "Secret" classification.

[Observing Space @ObservingSpace]

Blackhole collision output was 50x the power output of ALL the stars in the universe combined #gravitationalwaves

[Observing Space @ObservingSpace]

Einstein predicted gravitational waves 100 years ago… scientists will provide an update at 10:30 am EST #LIGO

[Neil deGrasse Tyson @neiltyson]

The Cosmos is knowable. When childhood curiosity persists as an adult, it inoculates against others telling you what to think

[Observing Space @ObservingSpace]

Sunset at Mars' Gale Crater https://t.co/dOC21TJR7J #BestMemoriesOf2015 #mars #sunset

[Observing Space @ObservingSpace]

Stunning Earthrise image https://t.co/5KekaCUAmi #nasa #LRO #earthrise

[Observing Space @ObservingSpace]

The Horsehead Nebula https://t.co/tJxpOooqvz #apod #nebula #space

[Observing Space @ObservingSpace]

The Brightest Spot on Ceres https://t.co/fdZKGl3PlP #apod #ceres #occator

[Observing Space @ObservingSpace]

NASA Telescopes Detect Jupiter-Like Storm on Small Star https://t.co/UAzmrIsB0z #nasa #space

[NASA @NASA]

This pic taken on orbit by @Astro_Kimiya from @Space_Station shows Venus from afar: https://t.co/YzIJs4QBLr

[Observing Space @ObservingSpace]

Arp 87: Merging Galaxies from Hubble https://t.co/ZdPsO6xLgj #apod #hubble #space

[Observing Space @ObservingSpace]

Enceladus: Ringside Water World https://t.co/u7pjNuhoW2 #cassini #enceladus #space

[Scott Kelly @StationCDRKelly]

#Barcelona #GoodEvening and #GoodNight from @Space_Station! #YearInSpace

[Observing Space @ObservingSpace]

Nebulae in Aurigae https://t.co/WEjQShHyCM #apod #space

[Observing Space @ObservingSpace]

In the Center of Spiral Galaxy NGC 3521 https://t.co/XnTpbAm7JQ #apod #galaxy #space