Video: Falcon 9 launch replays

A week after scrubbing a launch attempt to evaluate an issue with an oxygen sensor, Rocket Lab launched a mission Wednesday to deliver 10 small commercial Earth observation satellites to orbit. Liftoff of the Electron booster from Rocket Lab’s spaceport in New Zealand occurred at 5:21 p.m. EDT (2121 GMT).

On its first launch of the year, a Russian-made Proton rocket lifted off Thursday from the Baikonur Cosmodrome in Kazakhstan with a French-built, Russian-owned communications satellite.

Satellogic’s recent agreement with a Chinese company to launch 90 commercial Earth observation satellites on five or six dedicated Long March rocket flights marks one of China’s biggest wins in the global launch market.