Background The Apollo program was a human spaceflight program undertaken by NASA during the years 1961-1975 with the goal of…
Background The U.S. Military and government has spent a lot of time and money while considering the militarization of space. …
Anti-satellite weapons (ASAT) are space weapons designed to incapacitate or destroy satellites for strategic military purposes. Currently, only the United…
Carl Edward Sagan (November 9, 1934 - December 20, 1996) was an American astronomer, astrophysicist, author, and highly successful popularizer…
The Hubble Space Telescope (HST) is a space telescope that was carried into orbit by the Space Shuttle Discovery in…