Live coverage: Ariane 5 blasts off with Galileo satellite quartet

The last planned batch of high-resolution SkySat commercial Earth-viewing reconnaissance satellites owned by Planet will accompany 58 Starlink broadband relay stations on a climb into orbit Tuesday from Cape Canaveral on top of a SpaceX Falcon 9 rocket, adding to the world’s two largest commercial satellite fleets.

Watch a replay of the launch Monday of an Orbital ATK Antares rocket carrying a commercial cargo craft destined for the International Space Station.

The second Falcon Heavy fires its first stage engines as part of a routine pre-flight test for the upcoming launch of the Arabsat 6A communications satellite.