Photos: Atlas 5 rocket soars from West Coast

SpaceX’s Falcon 9 rocket is set for liftoff from Cape Canaveral on Thursday, heading due east over the Atlantic Ocean to deliver the Turkish Turksat 5A communications satellite into orbit around 33 minutes later.

Russian officials have delayed until Saturday the launch of a Proton rocket from Kazakhstan with the Spektr-RG X-ray astronomy observatory, an ambitious mission jointly developed with Germany to probe dark energy.

The Chinasat 9A communications satellite has arrived at its operational perch more than 22,000 miles over the equator after a Long March rocket deployed the craft in a lower-than-planned orbit last month due to a roll control error in the launcher’s third stage, according to China’s top state-owned aerospace contractor.