The Wide Field Camera 3 was installed during the first spacewalk on May 14, and the Cosmic Origins Spectrograph was installed on the third spacewalk, on May 16.

Ball Aerospace built the Cosmic Origins Spectrograph (COS) and the Wide Field Camera 3 (WFC3), both of which will be installed by shuttle astronauts during the 2008 servicing mission.

The first thing to know about buying a digital camera in 2024 is that it's virtually impossible to buy a bad one. You probably have a great camera in your hand right now. For many people, a ...