Cassiopeia A, Then the Cosmos: 25 Years of Chandra X-ray Science https://www.nasa.gov/missions/chandra/cassiopeia-a-then-the-cosmos-25-years-of-chandra-x-ray-science/ #NASA #ChandraXRayObservatory #CrabNebula #Galaxies #MarshallSpaceFlightCenter #Nebulae
Cassiopeia A, Then the Cosmos: 25 Years of Chandra X-ray Science - NASA
NASA’s Chandra X-ray Observatory opened its powerful telescopic eye in orbit for the first time on Aug. 26, 1999.Lee Mohon (NASA)