|Launched On||Since Launch||Now Observing||RA||Dec|
|June 13, 2012||1,018 Days||Nova_Sgr_2015_2||18h 36m 56.8s||-28° 55′ 39.7″|
Artwork • Feb 19, 2015
Supermassive black holes at the cores of galaxies blast radiation and ultra-fast winds outward, as illustrated in this artist's conception.
Science Video • Oct 8, 2014
This animation shows a neutron star -- the core of a star that exploded in a massive supernova. This particular neutron star is known as a pulsar because it sends out ...