Photos: Delta 4 lights up the sky for night owl launch

The launch of NASA’s Mars 2020 rover is less than a year away, and the steady pace of work inside the craft’s pristine assembly hall in California is keeping the mission on schedule for liftoff from Cape Canaveral next July, despite growing costs, according to mission managers.

Teams at Stennis Space Center in Mississippi removed the core of NASA’s first Space Launch System heavy-lift rocket from a test stand earlier this week for loading onto a barge to carry it to Kennedy Space Center in Florida, where the rocket stage is due to arrive by the end of the month to start final preparations for a test flight around the Moon.

SpaceX test-fired a Falcon 9 rocket Saturday at Cape Canaveral, two days before a scheduled launch Monday with 60 Starlink broadband relay stations that will make SpaceX the owner of the world’s largest fleet of commercial satellites.