Thursday, November 21, 2013

See the videos: Sprites, Asteroids & ISON

Last night PBS Hawaii screened three great astronomy programs

If you missed any of them, the videos are available at:

The search for SPRITES, large-scale electrical discharges that occur high above thunderstorm clouds.

Will future asteroids trigger massive extinctions—or be mined for precious minerals?  Features Ed Lu and an update on B612’s Sentinel Mission.

Comet of the Century.
About the sun-grazing comet ISON.