* Astronomy

NASA's Rossi X-Ray Timing Explorer Completes Mission Operations
 
After 16 years in space, NASA's Rossi X-ray Timing Explorer (RXTE) has made its last observation. The satellite provided unprecedented views into the extreme environments around white dwarfs, neutron stars and black holes.
RXTE sent data from its last science observation to the ground early on Jan. 4. After performing engineering tests, controllers at NASA's Goddard Space Flight Centre in Greenbelt, Md., successfully decommissioned the satellite on Jan. 5.
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