NASA ECHO II // From Wikipedia: "Project Echo was the first passive communications satellite experiment. Each of the two American spacecraft, launched in 1960 and was a metalized balloon satellite acting as a passive reflector of microwave sig
NASA’s Warp Drive Project: “Speeds” that Could Take a Spacecraft to Alpha Centauri in Two Weeks — Even Though the System is Light-Years Away. A few months ago, physicist Harold White stunned the aeronautics world when he announced that he and.
Every US space mission from Mercury to Apollo-Soyuz with astronauts color-coded by selection group./ have you ever wondered why we have never had a manned space mission outside the earth's orbit in over 40 years?