Astronomers are on the hunt for the groundbreaking discovery that confirms extraterrestrial life. Using state-of-the-art technology like the Kepler space telescope, scientists examine thousands of exoplanets in search of another Earth. <br /><br />Thanks for watching. Follow for more videos. <br />#cosmosspacescience <br />#spacedeepestsecrets <br />#season3 <br />#episode4 <br />#cosmology <br />#astronomy <br />#spacetime <br />#spacescience <br />#space <br />#nasa <br />#spacedocumentary <br />#outersolarsystem <br />#alien <br />#alienearth
