Photos: Atlas 5 rocket aims for International Space Station

The Atlas 5 rocket that will send NASA’s Perseverance rover toward Mars next month aced a countdown rehearsal Monday at Cape Canaveral, helping ensure the United Launch Alliance-built rocket is ready for liftoff during the rover’s 23-day launch window.

This is the ascent timeline to be followed by the United Launch Alliance Atlas 5 rocket in launching NASA’s MMS mission on March 12 at 10:44 p.m. EDT.

Another set of Starlink Internet satellites launched Tuesday from Cape Canaveral aboard a SpaceX Falcon 9 rocket. Powered by a reusable first stage booster making its sixth flight, the Falcon 9 rocket lifted off at 10:31 a.m. EDT (1431 GMT). Three SkySat Earth-imaging satellites for Planet accompanied SpaceX’s 58 Starlink relay stations into orbit.