1. Hubble Telescope
... of its foundation space missions were conducted. Four years after NASA's foundation, which was in 1958, the idea of constructing a large space telescope was suggested by a National Academy of Sciences study group. NASA launched a small space observatory in 1968 that orbited Earth for the purposes of measuring galaxies, planets, and stars. Three years later the beginning of studies for a 3-meter space ... was also used to acquire targets. Fine-Guidance Sensors (FGS) is one of the key elements in the system that holds the spacecraft steady; these sensors are locked onto two guide stars to...
- Word Count: 3931
- Approx Pages: 16