The European Space Agency launched the first X-ray observatory into space on May 26, 1983, as the spacecraft was called EXOSATToday, it celebrates the memory of this important day in the history of space, as this was the first of its kind, and the name of the spacecraft means the European X-ray Observatory satellite.
According to the website,spaceThe mission was entirely devoted to studying the universe by looking exclusively at X-ray radiation, by searching for X-rays using satellites and telescopes, astronomers can identify and study sources of high-energy radiation.
This includes space-exploding stars, active galactic nuclei, galaxy clusters, black holes, neutron stars, and binary stars.
It was launched EXOSAT on a missile Thor-Delta From Vandenberg Air Force Base in California, which became a base Vandenberg Space Force Now, it has been placed in an eccentric elliptical orbit that takes it around the Earth once every 90 hours, and has made several major discoveries during its three years in orbit.
His most famous discovery was something called quasi-periodic oscillation in X-ray binary stars, in which X-ray light from those stars periodically flashes with very high precision like a ticking clock. EXOSAT When the satellite got out of orbit and burned up in the atmosphere, scientists are still analyzing the data and learning new things from it.
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