After Hours

NASA Images: More desktop wallpaper from the space program

CONTOUR Launch 2002

The Boeing Delta II rocket carrying NASA's Comet Nucleus Tour (CONTOUR) spacecraft streaks across the night sky above pad 17-A, Cape Canaveral Air Force Station. The spacecraft was lost before it could complete its primary mission.Credit: NASA


Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to,, and TechRepublic.