Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

The spacecraft named PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) has a nominal operating life of three years with the amount of fuel to potentially have it last a decade. It’s set to launch onboard a Falcon 9 rocket on Tuesday, Feb. 6.

A Northrop Grumman Antares rocket rolled out to its launch pad on Virginia’s Eastern Shore early Tuesday, setting the stage for liftoff Saturday on a resupply flight to the International Space Station that will debut an upgraded launcher and Cygnus cargo vehicle capable of hauling heavier payloads into orbit.

A television broadcasting satellite for Eutelsat launched Friday atop a Russian Proton rocket to begin a 15-year mission beaming TV programming into homes across Europe. The Proton rocket lifted off from the Baikonur Cosmodrome in Kazakhstan at 2220 GMT (5:20 p.m. EST) Friday.