Background The Apollo program was a human spaceflight program undertaken by NASA during the years…
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Background The U.S. Military and government has spent a lot of time and money while…
Anti-satellite weapons (ASAT) are space weapons designed to incapacitate or destroy satellites for strategic military…
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, astrophysicist,…
The Hubble Space Telescope (HST) is a space telescope that was carried into orbit by…