IXPE – Spaceflight Now

SpaceX wins NASA contract to launch X-ray telescope on reused rocket

July 8, 2019

NASA has selected a SpaceX Falcon 9 rocket — flying with a reused first stage booster — to launch the Imaging X-ray Polarimetry Explorer mission from pad 39A at the Kennedy Space Center in Florida in April 2021, bypassing Northrop Grumman’s air-launched Pegasus rocket for the task.

Orbital ATK has no plans to phase out seldom-used Pegasus rocket

December 27, 2016

The build-up of Orbital ATK’s next air-launched Pegasus XL rocket will start in the coming weeks at Vandenberg Air Force Base in California, and while its flight in mid-2017 is the last Pegasus launcher on the manifest with a confirmed payload, company officials are confident the unique vehicle has a future beyond next year.

NASA picks candidates for new space telescope

August 3, 2015

NASA has selected three finalists for a new Explorer-class astrophysics satellite mission scheduled to launch by the end of 2020, and two of the proposals aim to fulfill similar goals to an X-ray telescope shelved after cost overruns in 2012.