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Harzardous Asteroids

How Do Researchers Track Near-Earth Asteroids?

News posts

Later today, an asteroid designated 2012 DA14 will pass just 17,200 miles over Earth’s surface. Although this 150-foot space rock will slip harmlessly by, researchers estimate there are nearly 500,000 near-Earth asteroids. So far, they’ve tracked the orbit of 9,600. How do researchers track asteroids, anyway? A Science Bulletins video explains more about the process, and more about the odds of an asteroid collision with Earth.

Tags: Meteorites, Science Bulletins

Meteor Crater

Asteroid 2012 DA14's Friday Flyby

News posts

Talk about an eventful Friday night! Tomorrow night, a small asteroid will travel nearer Earth than any astronomers have identified beforehand. “It’s the closest that we’ve seen ahead of time,” says Denton S. Ebel, curator in the Division of Physical Sciences (Earth and Planetary Sciences).

For more about the asteroid flyby, participate in a live Twitter chat with Ebel, this Friday, February 15, at noon ETPost your questions here or use hashtag #asteroidchat on Twitter.

Tags: Astrophysics, Space Exploration

American Badger

Artists' Techniques Rendered Habitat Dioramas Mesmerizingly Real

On Exhibit posts

The dioramas in the Jill and Lewis Bernard Family Hall of North American Mammals have always been splendid, but after more than a year of painstaking restoration, they look better than ever. A multi-video series documents their renovation. In these videos, Museum artists Stephen C. Quinn and Joianne Bittle Knight describe how the 3-D foregrounds and 2-D backgrounds of the dioramas were originally created.

Tags: Dioramas, Mammals

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