Watch a 4K replay of the Atlas 5 launching for the National Reconnaissance Office

China’s first X-ray astronomy satellite launched Thursday on a mission to survey the Milky Way galaxy for black holes and pulsars, the remnants left behind after a star burns up its nuclear fuel.

Indian officials postponed the launch Sunday of the Chandrayaan 2 moon mission from a spaceport on the country’s southeastern coast with the Bay of Bengal. The robotic Chandrayaan 2 mission will lift off aboard the GSLV Mk.3, India’s most powerful rocket, but officials have not announced a new target launch date.

The liftoff of a Rocket Lab Electron booster from New Zealand with five U.S.- and German-built nanosatellites was grounded Tuesday, U.S. time, after engineers identified a problem with a motor controller on the two-stage launcher.