
Ajit Pai @AjitPai
On this date in 1967, the Soviet Union launched Venera 4. On October 18 that year, it reached Venus, becoming the first spacecraft to send data from another planet's atmosphere back to Earth. The data implied a surface temperature of 932° F. Via @NASA: https://t.co/ukqypz3Sgu https://t.co/IkeBAgUyo9 — PolitiTweet.org