Cassiopeia A, Then the Cosmos: 25 Years of Chandra X-ray Science

By Rick Smith On Aug. 26, 1999, NASAs Chandra160;X-ray Observatory opened its powerful telescopic eye in orbit and captured its awe-inspiring first light images of Cassiopeia A, a supernova remnant roughly 11,000 light-years from Earth. That first observation was far more detailed than anything seen by previous X-ray telescopes, even revealing for the first 8230;. https://www.nasa.gov/missi...
#nasa #space #news #nasa_general #nasa_robotics #nasa_ames_research_center #nasa_astronauts #nasa_iss_research #nasa_aeronautics #nasa_drones_ &_you #nasa_nasa_en_español #nasa_johnson_space_center #nasa_diversity_at_nasa #nasa_kennedy_space_center #nasa_people_of_nasa #nasa_women_at_nasa #nasa_crab_nebula #nasa_galaxies #nasa_nebulae #nasa_commercial_space #nasa_blogs