Live coverage: 400th Proton rocket takes off with Russian satellite

A new European satellite carrying instruments to track changes in the world’s oceans, measure receding ice sheets and chart vegetation growth climbed into orbit Wednesday on top of a Russian Rockot launcher.

An ambitious mission of exploration launched from Japan at 0422 GMT Wednesday (11:22 p.m. EST Tuesday). An H-2A rocket lifted off from the Tanegashima Space Center with Hayabusa 2, starting a six-year journey to collect rocks from an asteroid and return them to Earth.

A Russian Soyuz rocket lifted off Friday night from a tropical spaceport in French Guiana with a commercial communications satellite setting off on a dual mission to demonstrate new space technologies and bridge the Atlantic with data, video and voice relays. Launch occurred at 0103:34 GMT Saturday (8:03:34 p.m. EST Friday).