RT @NASA: First planet discovered around a sun-like star 21 years ago this month. Since then, +3,300. Get a 101 on exoplanets… twitter.com/i/web/status/7…
RT @NASA: First planet discovered around a sun-like star 21 years ago this month. Since then, +3,300. Get a 101 on exoplanets… twitter.com/i/web/status/7…