The story of 'Oumuamua, the first visitor from another star system

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July 1, 2018 Today's TED Talk The story of 'Oumuamua, the first visitor from another star system 13:24 minutes · TED2018 In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star system. The interstellar comet -- a half-mile-long object eventually named `Oumuamua, from the Hawaiian for "scout" or "messenger" -- raised intriguing questions: Was it a chunk of rocky debris from a new star system, shredded material from a supernova explosion, evidence of alien technology or something else altogether? In this riveting talk, Meech tells the story of how her team raced against the clock to find answers about this unexpected gift from afar. Watch now »   Playlist of the Day How we study space Beyond our galaxy, there lies much more to be discovered. Learn how we explore the universe with talks that are definitely out of this world. Watch » 13 talks · Total run time 2:22:49 JOIN US AT TEDWOMEN 2018 Celebrate diverse, dynamic ideas and the people who are showing up to bring them to life at TEDWomen 2018. Early supporter price available until Friday, July 27.  Learn more about TEDWomen »   Download the TED app

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