NASA @NASA
How does a star’s light affect potential signs of life on planets that orbit it? On Nov. 8, we're set to launch an experiment to see how starlight affects the atmospheres of planets circling stars other than our Sun — key info in the hunt for life: https://t.co/IPYwpdPWzB https://t.co/3VOWwLdGcx — PolitiTweet.org