
NASA @NASA
Carbon is essential for life, but how did planets like Earth & Mars evolve into carbon-rich worlds? ☄️Research from our @SOFIATelescope of Comet Catalina suggest that comets were a source of carbon for planets during the solar system’s formation. More: https://t.co/zZhng3Or26 https://t.co/4t9bMEGcLO — PolitiTweet.org