WorldViews: asteroid


Posted at 09:41 AM ET, 11/09/2011

Asteroid 2005 YU55 passes close by Earth (video)
By Elizabeth Flock
An asteroid the size of an aircraft carrier missed Earth by only 200,000 miles as it flew by Tuesday night — the closest an asteroid has been to Earth in 200 years.

By Elizabeth Flock  |  09:41 AM ET, 11/09/2011 |  Permalink  |  Comments ( 0)
Tags:  National, Asteroid 2005 YU55, NASA, asteroids

Posted at 04:11 PM ET, 11/07/2011

Asteroid to fly by Earth tomorrow night: How to see it in your back yard
By Elizabeth Flock
Here are tips on how to see the asteroid that will fly by Earth tomorrow night with a telescope in your backyard.

By Elizabeth Flock  |  04:11 PM ET, 11/07/2011 |  Permalink  |  Comments ( 0)
Tags:  National, asteroid, NASA

Posted at 03:57 PM ET, 09/29/2011

Asteroids that could threaten Earth are 90 percent found, NASA says
By Elizabeth Flock
The space agency has found more than 90 percent of the biggest asteroids that might pose a threat to Earth.

By Elizabeth Flock  |  03:57 PM ET, 09/29/2011 |  Permalink  |  Comments ( 0)
Tags:  Space, asteroid, NASA: