Paul Byrne
@ThePlanetaryGuy
Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • Planetary Evangelist • he/him/Sir • 🇮🇪 in 🇺🇸
19-03-2018 14:08:11
31,8K Tweets
80,3K Followers
774 Following
@ThePlanetaryGuy
Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • Planetary Evangelist • he/him/Sir • 🇮🇪 in 🇺🇸
19-03-2018 14:08:11
31,8K Tweets
80,3K Followers
774 Following