Rick Benken

[SpaceX @SpaceX]

In case you missed it: @waitbutwhy’s take on space exploration, Mars colonization and us http://t.co/TIIFLp7Xtz

[Scott Kelly @StationCDRKelly]

Another pass through #Aurora. The sun is very active today, apparently. #YearInSpace

[NASA @NASA]

Today is Neil Armstrong's birthday. We honor his one small step & the legacy he left behind. http://t.co/WdqI2m61OC

[NASA @NASA]

New @NASA_Hubble pic is most detailed of gas & dust encircling a 20 million year-old star http://t.co/1cBhOeawik

[Terry Virts @AstroTerry]

#speechless from this #sunrise

[Terry Virts @AstroTerry]

Exploration team sent this to me: Old Glory on Martian hilltop from @MarsRovers. NASA has your solar system covered.

[International Space Station @Space_Station]

#GIF from @SpaceX #Dragon #ISSCargo craft release this morning. Pacific Ocean splashdown set for ~3:39pm ET today. http://t.co/vtwzAG7soq

[Reid Wiseman @astro_reid]

Unreal #EarthArt – not clouds. These spirals are Pacific Ocean currents in sun glint.

[Rick Benken @rickbenken]

@astro_reid @Romeo when in a glider..... Always know where you're runway is!

[NASA @NASA]

This isn't a sci-fi movie, but rather how it looks inside the #ISS while the crew is asleep http://t.co/b7wTVw4S3M

[Rick Benken @rickbenken]

@clairyce I know what a blast USAFA graduation is! Glad you guys had a great time! Tell Emily I said hi!

[Chris Hadfield @Cmdr_Hadfield]

Bowie's last day - we had permission for a year, so our Space Oddity video comes down today. One last look: http://t.co/z6umXHoPCk

[Rick Benken @rickbenken]

@grantimahara if you'd like the world's best ice cream - try @graeters!

[Rick Benken @rickbenken]

@KariByron @MythBusters Clarisse Iribagiza from Rwanda. CEO of http://t.co/pt5Yn1gwJm. Incredible young woman and true role model.

[Rick Benken @rickbenken]

@AstroRM it's a selfie, but of which one of you?

[Rick Benken @rickbenken]

@wilw there is this thing they call "electronic mail". You should try that. ;-)

[Rick Benken @rickbenken]

@rickygervais Every cat deserves a feline friend. You need two!

[Rick Benken @rickbenken]

@BrentSpiner I don't completely agree but certainly respect your opinion. PS please don't unfollow me!

[Chris Hadfield @Cmdr_Hadfield]

Berlin. A great city, undivided. I went through Checkpoint Charlie in 1977, a very strong and serious memory.

[Chris Hadfield @Cmdr_Hadfield]

The island of Cozumel, Mexico. Even from orbit it looks like a good place to SCUBA dive.