YouTube on MSN
Astronomy’s unsung hero is a plain ol’ aluminum ball
Description: In 1965, MIT's Lincoln Laboratory saw their Lincoln Calibration Sphere 1 (LCS-1) launched into Earth orbit. It ...
On February 4, 1995, astronauts aboard the space shuttle Discovery launched an itty bitty satellite called an Orbital Debris Calibration Sphere into orbit around the Earth. The satellite measured just ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results