The Gubble Space Telescope went into space on April 24, 1990, thanks to the Discovery spacecraft. He conducted 1.5 million observations of 43,500 celestial objects and helped publish 18,000 scientific papers.
Thanks to Hubble, scientists learned about the expansion of the universe, saw supermassive black holes in the centers of galaxies and discovered that most of space consists of mysterious dark matter.… Continue reading
