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Were any people aboard NASA’s Artemis I on its mission to the Moon?

Early on Wednesday morning we watched as the huge rocket launched successfully from Kennedy Space Center, a first step to even bigger leaps.

Joey Roulette
Steve Gorman
Early on Wednesday morning we watched as the huge rocket launched successfully from Kennedy Space Center, a first step to even bigger leaps.
Red HuberGetty

The excitement was clear through Tuesday night and into Wednesday morning as NASA’s next-generation rocketship finally took off from Florida for a crewless journey around the moon and back, marking the half-century anniversary of the Apollo era’s final lunar mission. The much-delayed launch marked the start of Apollo’s successor program, Artemis, which aims to return astronauts to the lunar surface this decade and establish a sustainable base as a stepping stone to future human exploration of Mars.

The 32-story-tall Space Launch System (SLS) rocket blasted off from NASA’s Kennedy Space Center at 1:47 a.m. EST (0647 GMT), piercing the blackness over Cape Canaveral with a reddish-orange tail of fire. About 90 minutes after launch, the rocket’s upper stage successfully thrust the Orion capsule out of Earth orbit and on its trajectory to the moon, NASA announced.

“Today, we got to witness the world’s most powerful rocket take the Earth by its edges... And it was quite a sight,” Artemis mission manager Mike Sarafin told a post-launch NASA briefing. Aside from some minor instrument issues, “this system is performing exactly as we intended it to,” he said.

Liftoff came on the third attempt at launching the multibillion-dollar rocket, after 10 weeks beset by technical mishaps, back-to-back hurricanes and two excursions trundling the spacecraft out of its hangar to the launch pad.

NASA workers concerned at Artemis launch

About four hours before Wednesday’s blastoff, crews had to deal with a flurry of simultaneous issues, including a leaky fuel valve. Quick work by a special team of technicians, who tightened down a loose connection on the launch pad well inside the “blast zone” demarcated around a nearly fully fueled rocket, was credited with saving the launch.

The three-week Artemis I mission marks the first flight of the combined SLS rocket and the Orion capsule together, built by Boeing Co and Lockheed Martin Corp, respectively, under contract with NASA.

After decades with NASA focused on low-Earth orbit with space shuttles and the International Space Station (see graphic), Artemis I also signals a major change in direction for the agency’s post-Apollo human spaceflight program.

Named for the ancient Greek goddess of the hunt - and Apollo’s twin sister - Artemis aims to return astronauts to the moon’s surface as early as 2025. More science-driven than Apollo – born of the Cold War-era U.S.-Soviet space race that put 12 NASA astronauts on the moon during six missions from 1969 to 1972 – the Artemis program has enlisted commercial partners such as Elon Musk’s SpaceX and the space agencies of Europe, Canada and Japan.

The Artemis I mission entails a 25-day Orion flight bringing the capsule to within 60 miles (97 km) of the lunar surface before flying 40,000 miles (64,400 km) beyond the moon and looping back to Earth. The capsule is expected to splash down at sea on Dec. 11.

No Artemis astronauts, but mannequins with sensors

The thunder of 8.8 million pounds of thrust produced at launch by the rocket’s four main R-25 engines and its twin solid-rocket boosters sent shock waves across the Kennedy complex, where crowds of spectators cheered and screamed.

“It was just incredible to see. It was so bright, so loud, you could feel it,” said NASA astronaut Jessica Meir, an Artemis crew candidate.

Orion will have some company around the moon from a tiny satellite, CAPSTONE, that reached lunar orbit on Sunday to test a complex gravitational parking position called a “near-rectilinear HALO orbit.” That position would be home to a future lunar space station called Gateway, slated for deployment later this decade as part of the Artemis venture.

The first Artemis voyage is intended to put the SLS-Orion vehicle through its paces in a rigorous demonstration flight, pushing its design limits to prove it safe and reliable enough to fly astronauts.

Moon first, then Mars

If the mission succeeds, a crewed Artemis II flight around the moon and back could come as early as 2024, followed within a few years by the program’s first lunar landing of astronauts, one of them a woman, with Artemis III. Sending astronauts to Mars, an order of magnitude more challenging than lunar landings, is expected to take at least another decade and a half to achieve.

Billed as the most powerful, complex rocket in the world, the SLS represents the biggest new vertical launch system NASA has built since the Saturn V of the Apollo era. Although no people were aboard, Orion carried a simulated crew of three mannequins fitted with sensors to measure radiation levels and other stresses that astronauts would experience.

A top objective is to test the durability of Orion’s heat shield during re-entry as it hits Earth’s atmosphere at 24,500 miles (39,400 km) per hour - much faster than re-entries from the space station.

The spacecraft also is set to release 10 miniaturized science satellites, called CubeSats, including one designed to map ice deposits on the moon’s south pole, where Artemis seeks to eventually land astronauts.

More than a decade in development with years of delays and budget overruns, the SLS-Orion spacecraft has cost NASA least $37 billion, with total Artemis spending projected to reach $93 billion by 2025. NASA says the program also has generated tens of thousands of jobs and billions of dollars in commerce.


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