[This repost fixes audio problems with the original recording.]
Debris Disks and the Evolution of Planetary Systems
Christine Chen, Space Telescope Science Institute
Debris disks are dusty disks around middle-aged stars, believed to be analogous to the asteroid and Kuiper belts in our own Solar System. The dust in these systems absorbs and scatters star light, with the absorbed light heating up the dust. Space-based infrared observatories are the best tools with which to not only discover, but also characterize these planetary systems. These studies probe the nature and diversity of extrasolar systems, and help place our own into proper context. Is our Solar System common or rare?
– Astronomy from a 747 starts at 2:20
– Main talk starts at 14:56
Host: Dr. Joel Green
Recorded live on December 1, 2016 at the Space Telescope Science Institute in Baltimore, MD, USA
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A corporate troubleshooter (Kate Mara) is sent to a remote, top-secret location, where she is to investigate and evaluate a terrifying accident. She learns the event was triggered by a seemingly innocent “human,” who presents a mystery of both infinite promise and incalculable danger.
Cast: Kate Mara, Anya Taylor-Joy, Toby Jones, Rose Leslie, Boyd Holbrook, Michelle Yeoh, Jennifer Jason Leigh, and Paul Giamatti
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