Neil deGrasse Tyson @neiltyson
“Gravity, the Original Space Force” Weekly image & link to a Hoodie. Conceived & designed by fans. Approved by me. (Also available in Tee shirts & pop-sockets.) After fees to the artist, proceeds go to educational organizations. https://t.co/TvKpkOdXse https://t.co/c5YpbCoiWH — PolitiTweet.org