Our universe's most mysterious objects: black holes

Astronomer Andrea Ghez hunts for supermassive black holes. View this email in your browser.

NOVEMBER 16, 2014 TODAY’S CLASSIC TED TALK Andrea Ghez: The hunt for a supermassive black hole 16:26 minutes · TEDGlobal 2009 With new data from the Keck telescopes, Andrea Ghez shows how state-of-the-art adaptive optics are helping astronomers understand our universe's most mysterious objects: black holes. She shares evidence that a supermassive black hole may be lurking at the center of the Milky Way. Watch now »     PLAYLIST OF THE DAY Are we alone in the universe? Is Earth really the only life-sustaining planet in existence? These speakers think there might just be something or someone else out there, and urge us not to stop the search. Watch » 6 TED Talks · Total run time 1:27:50