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Near-Earth Objects: finding them before they find us

Purpose:

In the last few years, several known near-Earth asteroids shot closely past the Earth, while on October 6, 2008 a small asteroid was discovered less than 20 hours prior to its impact with the Earth’s atmosphere over northern Sudan. Dr. Yeomans will outline what recent spacecraft investigations have told us about the enormous population of comets and asteroids that inhabit the Earth’s neighborhood. These near-Earth objects are key for understanding the origin of the solar system as well as the origin and evolution of life itself. Periodic Earth impacts have punctuated the evolution of life on Earth, including wiping out the dinosaurs 65 million years ago. Since 1998, NASA has had an observing program to discover these objects and track their future motions to insure that we humans will not go the way of the dinosaurs.

041213image_LR
Image provided by Donald Yeomans

Anyone outside NIST wishing to attend must be sponsored by a NIST employee and receive a visitor badge.

For more information, contact Stephanie Shaw at 301-975-2667.

Colloquia are videotaped and available in the NIST Research Library.

Speakers:

Donald Yeomans
Manager, NASA Near-Earth Object Program Office

Details:

Start Date: Friday, April 13, 2012
End Date: Friday, April 13, 2012
Location: 10:30 a.m., Green Auditorium, Gaithersburg, VTC to Boulder, Room 1107
Format: Colloquium