SpaceX’s massive Starship, which is meant to shuttle astronauts to the moon in 2026, completed its fourth test, with successes and some drama.
1st stage lands in Gulf of Mexico and 2nd stage in Indian Ocean
Nicole Mortillaro · CBC News
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SpaceX'smassive Starship blasted off into the Texas sky this morning in its fourth test and appeared to reach all its test goals.
The rocket lifted off from SpaceX's Starbaseat 8:50 a.m. ET, with 32 of its 33 engines functioning.
Just as with SpaceX's Falcon 9 rocket, the first stage, or Super Heavy, is meant to be reusable and return to Earth shortly after launching. The second stage (also called Starship) would house cargo or future astronauts and also be fully reusable.
Successfully landing the pair — Super Heavy in the Gulf of Mexico andStarshipin the Indian Ocean — were the main goals for this test, SpaceXsaid ahead of the launch.
Despite loss of many tiles and a damaged flap, Starship made it all the way to a soft landing in the ocean!<br><br>Congratulations <a href="https://twitter.com/SpaceX?ref_src=twsrc%5Etfw">@SpaceX</a> team on an epic achievement!! <a href="https://t.co/UnXbnmZ2pE">https://t.co/UnXbnmZ2pE</a>
—@elonmusk
After liftoff, the first stage and second stage separated as planned. The first stage met its goal and splashed down in the Gulf of Mexico (neither the first nor the second stage were planned to be recovered in this test).
Then, after roughly 40 minutes of cruising, the ship began its fiery descent through the atmosphere.
Nail-biting video showed one of the ship's flaps taking heavy damage. It seemed to be barely holding on.
Flap feeling the ouch! <a href="https://t.co/SOW9WaYZF7">pic.twitter.com/SOW9WaYZF7</a>
—@NASASpaceflight
To the surprise of many people, including SpaceX's own commentators,it held on to the very end, making it through the atmosphere. The ship fired its landing burn engines and appeared to make a successful splashdown in the Indian Ocean.
WATCH | SpaceX launches and lands massive Starship
1 day ago Duration 1:13SpaceX launches and lands massive Starship
Getting Starship to work as it should isn't just a flight of fancy for SpaceX: It's a critical component for NASA's return to the moon. A version of Starship called the Human Landing System, or HLS, is needed to land astronauts on the surface of the moon as part of NASA's Artemis program.
A variation of Starship, called the Human Landing System, will dock with the space agency's Orion spacecraft for the planned 2026 Artemis III mission,then shuttle a pair of astronauts to the lunar surface.
Incremental steps
SpaceX has met many of its goals in testing this behemoth. The first, in April 2023, was a test to see if it would be capable of lifting off the pad, and it did. However, it severely damaged the launch pad in doing so, and blew up four minutes into its flight.
In the second launch, in November 2023, SpaceX tested its "hot staging" where the rocket of the second stage ignites just before the pair separate. While that was successful, the first stage was lost in an explosion, and the second stage made it to suborbit before it, too, exploded.
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The third launch, on March 14, was a test of several more components, including a boostback burn where the first stage uses 13 of its 33 engines to guide it to where it would land (in this case, it would make a water landing in the Gulf of Mexico). However, it had engine issues and failed to achieve a soft water landing.
Starship also reached its full ascent and began to re-enter the atmosphere — which was a test of thetiles thatprotect the spacecraft as it heats up during re-entry — but an unplanned roll caused it to break up. It also opened and closed its payload bay door.
WATCH | The moment SpaceX's Starship re-entered Earth's atmosphere in March: 3 months ago Duration 1:48See the moment SpaceX's Starship re-entered Earth's atmosphere
Perhaps most importantly for NASA , it tested a propellant transfer within the rocket. For the Artemis missions to the moon, SpaceX will have to prove that it can do this between two ships. This was just the first step.
While not everything went as planned in the last launch, SpaceX regarded it as a successful testing of crucial components. That's SpaceX'smodus operandi: Test things in the real world.
"SpaceX is doing what SpaceX is good at, which is getting the flight test off and running, and learning from the flight test, takingwhat they learned and get it into the next one," said Dan Dumbacher, an engineer and former NASA official who is now the CEO of the American Institute of Aeronautics and Astronautics.
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Ahead of the launch, Canadian Jordan Bimm, a postdoctoral researcher at the University of Chicago and a space historian, said there's a lot riding on SpaceX'slatest uncrewed test flight of Starship.
"So far, the public has accepted the iterative design approach, and have tolerated the failure-as-progress-toward-success model," he said. "A failure to push further towards a complete, successful flight than previous tests could erode public acceptance and tolerance of the iterative approach."
ABOUT THE AUTHOR
Nicole Mortillaro
Senior reporter, science
Based in Toronto, Nicole covers all things science for CBC News. As an amateur astronomer, Nicole can be found looking up at the night sky appreciating the marvels of our universe. She is the editor of the Journal of the Royal Astronomical Society of Canada and the author of several books. In 2021, she won the Kavli Science Journalism Award from the American Association for the Advancement of Science for a Quirks and Quarks audio special on the history and future of Black people in science. You can send her story ideas at Nicole.Mortillaro@cbc.ca.
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