Upload

Loading...

This video is unavailable.

Snapshots From Space: Defending our Planet From Asteroids

Like this video?

Sign in to make your opinion count.

Don't like this video?

Sign in to make your opinion count.

Want to watch this again later?

Sign in to add this video to a playlist.

Published on Mar 5, 2012

In this third installment of Snapshots, Emily Lakdawalla reviews the threat posed by meteors, from relatively small impactors to massive planet killers. She also explores three critical steps to take in defending Earth, and how we may someday deflect an asteroid that is headed our way.

Loading...

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Ratings have been disabled for this video.
Rating is available when the video has been rented.
This feature is not available right now. Please try again later.

Loading...

Advertisement
Loading...
Working...
to add this to Watch Later

Add to