SpaceX launched another batch of Starlink satellites into orbit, a little more than 12 hours after the private company teamed up with NASA to send four astronauts to the International Space Station -- also from Florida.

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track the evolution of the solar wind in three dimensions.

The replacements for NASA’s two stuck astronauts launched to the International Space Station on Friday night, paving the way for the pair’s return after nine long months. Butch Wilmore and Suni Williams need SpaceX to get this relief team to the space station before they can check out.

A SpaceX Falcon 9 rocket launched 21 Starlink internet satellites, 13 of which have direct-to-cell capability, to orbit on Wednesday night (March 12).

SpaceX's Crew-10 mission has successfully launched from NASA's Kennedy Space Center in Florida at 7:03PM Eastern on March 14. NASA astronauts Anne McClain and Nichole Ayers, Japan Aerospace Exploration Agency's Takuya Onishi and Roscosmos cosmonaut Kirill Peskov are onboard and will join the ISS crew after the spacecraft docks with the orbiting lab at 11:30PM Eastern time on March 15.

ABC News’ Terry Moran speaks to space industry expert Eric Ingram about SpaceX’s launch of astronauts to the International Space Station to relieve two Americans whose trip was extended unexpectedly.