Paul Byrne (@theplanetaryguy) 's Twitter Profile
Paul Byrne

@theplanetaryguy

Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • Planetary Evangelist • he/him/Sir • 🇮🇪 in 🇺🇸

ID: 975735690498596864

linkhttp://tinyurl.com/ThePlanetaryGuy calendar_today19-03-2018 14:08:11

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Paul Byrne (@theplanetaryguy) 's Twitter Profile Photo
Paul Byrne
@theplanetaryguy

3 years ago

Open this photo up and look for the small, white dot just left of centre. It looks like Venus, shining brightly in the twilight sky. But it's us. It's Earth. From Mars.

Open this photo up and look for the small, white dot just left of centre. It looks like Venus, shining brightly in the twilight sky. But it's us. It's Earth. From Mars.