T-48 minutes until the probe "Deep Impact" is launched. If anyones interested, you can watch the launch live here:
http://www.nasa.gov/multimedia/nasatv/
It'll probably happen around 1:15pm eastern.
Deep Impact will smash a hole in an comet by plowing a rod into it to create a crater and another probe will fly by and take pictures and readings.
http://deepimpact.jpl.nasa.gov/
http://www.canada.com/national/story.ht ... 3471132bc2
Edit: launch is 1:47 eastern.