On August 1, 2008 a rare total solar eclipse will appear in the skies over parts of Canada, Greenland, Russia, Mongolia, and China. During this spectacular event, the moon will cross in front of the sun, completely blocking out the sun's disk, and casting a shadow over part of the Earth. While only people in a small area of the world will be able to see the eclipse in person, viewers all accross the globe can view the eclipse as it happens on NASA TV and . Note: This is a short promo video for the August 1, 2008 total solar eclipse. Editor: Rich Melnick (HTSI), Stuart A. Snodgrass (HTSI). Producer: Rich Melnick (HTSI), Laura Motel (UMBC). Scientist: Fred Espenak (NASA/GSFC), Alex Young (ADNET).