Liftoff! NASA successfully launches mega Moon rocket

Liftoff! NASA successfully launches mega Moon rocket

NASA's Artemis 1 unmanned lunar rocket lifts off from Kennedy Space Center at the start of its 25-day lunar mission
NASA's Artemis 1 unmanned lunar rocket lifts off from Kennedy Space Center at the start of its 25-day lunar mission. Photo: Jim WATSON / AFP
Source: AFP

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NASA launched the most powerful rocket ever built on a journey to the Moon on Wednesday, in a spectacular blaze of light and sound that marked the start of the space agency's new flagship program, Artemis.

The 32-story tall Space Launch System (SLS) blasted off from the storied Kennedy Space Center in Florida at 01:47 am (0647 GMT).

"We are going," tweeted the space agency.

Fixed to its top was the uncrewed Orion spaceship that will later separate and complete an orbit-and-a-half of Earth's nearest neighbor, in a test run for later flights that should see the first woman and first person of color touch down on lunar soil by the mid-2020s.

America last sent astronauts to the Moon during the Apollo era, from 1969-1972. This time it hopes to build a sustained presence -- including a lunar space station -- to help prepare for an eventual mission to Mars.

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The launch came despite technical issues that ate into the two-hour launch window that opened at 1:04 am.

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Engineers were forced to pause the flow of liquid hydrogen into the core stage Tuesday night because of a valve leak, though a team sent to the launch pad resolved the problem after an hour.

Later, the space agency reported that a radar site monitoring the rocket's flight path was experiencing problems due to a faulty ethernet switch that had to be replaced.

It was third time lucky for NASA after two previous launch attempts were canceled for technical reasons. Launch was also delayed due to weather setbacks, including Hurricane Ian that battered Florida in late September.

'Extremely excited'

About 100,000 people were expected on the coast to watch the launch, with the rocket promising to light up the night sky.

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The Artemis 1 mission, a test flight without astronauts on board, represents the first step in the agency's plan to build a lasting presence on the Moon, taking lessons from there to prepare for a future voyage to Mars
The Artemis 1 mission, a test flight without astronauts on board, represents the first step in the agency's plan to build a lasting presence on the Moon, taking lessons from there to prepare for a future voyage to Mars. Photo: Jim WATSON / AFP
Source: AFP

Andrew Trombley, a space enthusiast from St. Louis, Missouri, was anxiously hoping for a successful liftoff after several futile trips made for the launch.

"I've been down here a couple of times already to watch this thing go up and have it canceled, so, this is like, whatever, the third trip down here for this, so I'm excited to see it go," said the network engineer.

"I was too little for the Apollo missions, so ... I wanted to be here in person."

Kerry Warner, 59, a grandmother and semi-retired educator who lives in Florida, was fired up for liftoff, which she said was "part of America and what America is all about."

"Third time's the charm. We're hoping for it."

Far side of Moon

The Orion crew capsule was being lifted by two boosters and four powerful engines under the core stage, which detached after only a few minutes.

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How the US plans to return to the Moon
Graphic on NASA's Artemis program to establish a mini-space station orbiting the Moon before landing on the surface in 2024. Photo: Simon MALFATTO / AFP
Source: AFP

After a final push from the upper stage, the capsule will be well on its way, taking several days to reach its destination.

Rather than landing on the Moon, it will assume a distant orbit, venturing 40,000 miles (64,000 kilometers) beyond the far side -- further than any other habitable spacecraft so far.

Finally, Orion will embark on the return leg of its journey. When passing through the atmosphere, the capsule's heat shield will need to withstand a temperature half as hot as the Sun's surface.

Engineers work on the Tail Service Mast Umbilical of the Artemis I unmanned lunar rocket as it sits on launch pad 39B at NASA's Kennedy Space Center
Engineers work on the Tail Service Mast Umbilical of the Artemis I unmanned lunar rocket as it sits on launch pad 39B at NASA's Kennedy Space Center. Photo: Jim WATSON / AFP
Source: AFP

The mission will last 25 and a half days, with a splashdown in the Pacific Ocean on December 11.

NASA is banking on a successful mission after developing the SLS rocket for more than a decade. It will have invested more than $90 billion in its new lunar program by the end of 2025, according to a public audit.

Artemis 2 will involve a flyby of the Moon with astronauts in 2024, while Artemis 3 will see boots on lunar soil, no sooner than 2025.

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NASA's Artemis 1 unmanned lunar rocket lifts off from Kennedy Space Center at the start of its 25-day lunar mission
NASA's Artemis 1 unmanned lunar rocket lifts off from Kennedy Space Center at the start of its 25-day lunar mission. Photo: Jim WATSON / AFP
Source: AFP

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