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Teh One Who Knocks
08-29-2022, 01:36 PM
By Greg Norman | FOXBusiness


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The scheduled launch of Artemis 1 mission moon rocket has been scrubbed Monday, NASA has announced.

The decision came shortly after a NASA official warned that the agency still had a "lot of work" to do to get to a point where it could launch the rocket following fuel leaks and a possible crack discovered during final liftoff preparations.

The next launch attempt won't be until midday Friday at the earliest.

NASA repeatedly stopped and started the fueling of the Space Launch System rocket with nearly 1 million gallons of super-cold hydrogen and oxygen because of a leak. The fueling already was running nearly an hour late Monday because of thunderstorms off Florida’s Kennedy Space Center.

The leak appeared in the same place that saw seepage during a dress rehearsal back in the spring. Then a second apparent leak in a valve turned up, officials said.

The rocket was set to lift off on a mission to put a crew capsule with three test dummies into orbit around the moon.

NASA’s assistant launch director, Jeremy Graeber, said after the repeated struggles with the first leak that the space agency would have to decide whether to go forward with the Monday morning launch.

"We have a lot of work to get to that point," Graeber told the Associated Press.

A crack or some other defect also was spotted this morning on the core stage — the big orange fuel tank with four main engines on it — with frost appearing around the suspect area, NASA officials said. Engineers began studying the buildup.

The 322-foot rocket is the most powerful ever built by NASA, out-muscling even the Saturn V that took the Apollo astronauts to the moon.

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No astronauts were inside the rocket's Orion capsule. Instead, three test dummies were strapped for the six-week mission, scheduled to end with the capsule's splashdown in the Pacific in October.

Even though no one was on board, thousands of people had jammed the coast to see the rocket soar, with Vice President Kamala Harris among the VIPs.

The launch is the first flight in NASA’s 21st-century moon-exploration program, named Artemis after Apollo’s mythological twin sister.

Assuming the test goes well, astronauts would climb aboard for the second flight and fly around the moon and back as soon as 2024. A two-person lunar landing could follow by the end of 2025.

The problems seen Monday were reminiscent of NASA's space shuttle era when hydrogen fuel leaks disrupted countdowns and delayed a string of launches back in 1990.

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Launch director Charlie Blackwell-Thompson and her team also had to deal with a communication problem involving the Orion capsule.

Engineers scrambled to understand an 11-minute delay in the communication lines between Launch Control and Orion that cropped up late Sunday. Although the problem had cleared by Monday morning, NASA needed to know why it occurred before committing to a launch.

lost in melb.
08-29-2022, 02:54 PM
:empathy:

Pony
08-29-2022, 09:14 PM
My boss flew down there to watch. Said there was 100,000 people there. Apparently he was grumpy this afternoon.

Teh One Who Knocks
08-31-2022, 02:44 PM
Reuters News Service


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WASHINGTON – NASA aims to make a second attempt to launch its giant next-generation moon rocket on Saturday, Sept. 3, five days after a pair of technical issues foiled an initial try at getting the spacecraft off the ground for the first time, agency officials said on Tuesday.

But prospects for success on Saturday appeared clouded by weather reports predicting just a 40% chance of favorable conditions that day, while the U.S. space agency acknowledged some outstanding technical issues remain to be solved.Advertisement · Scroll to continueReport an ad

At a media briefing a day after Monday’s first countdown ended with the flight scrubbed, NASA officials said Monday’s experience was useful in trouble-shooting some problems and that additional difficulties could be worked through in the midst of a second launch try.

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In that way, the launch exercise was serving essentially as a real-time dress rehearsal that hopefully would conclude with an actual, successful liftoff.

For now, NASA officials said, plans call for keeping the 32-story-tall Space Launch System (SLS) rocket and its Orion astronaut capsule on its launch pad to avoid having to roll the massive spacecraft back into its assembly building for a more extensive round of tests and repairs.

If all goes as hoped, the SLS will blast off from the Kennedy Space Center in Cape Canaveral, Florida, on Saturday afternoon, during a two-hour launch window that opens at 2:17 p.m., sending the Orion on an uncrewed, six-week test flight around the moon and back.

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The long-awaited voyage would kick off NASA’s moon-to-Mars Artemis program, the successor to the Apollo lunar project of the 1960s and ’70s, before U.S. human spaceflight efforts shifted to low-Earth orbit with space shuttles and the International Space Station.

NASA’s initial Artemis I launch attempt on Monday ended after data showed that one of the rocket’s main-stage engines failed to reach the proper pre-launch temperature required for ignition, forcing a halt to the countdown and a postponement.

Speaking to reporters on Tuesday, mission managers said they believe a faulty sensor in the rocket’s engine section was the culprit for the engine cooling issue.

As a remedy for Saturday’s attempt, mission managers plan to begin that engine-cooling process roughly 30 minutes earlier in the launch countdown, NASA’s Artemis launch director Charlie Blackwell-Thompson said. But a full explanation for the faulty sensor requires more data analysis by engineers.

“The way the sensor is behaving doesn’t line up with the physics of the situation,” said John Honeycutt, NASA’s SLS program manager.

The sensor was last checked and calibrated months ago in the rocket factory, Honeycutt said. Replacing the sensor would require rolling the rocket back to its assembly building, a process that could delay the mission for months.

The first voyage of the SLS-Orion, a mission dubbed Artemis I, aims to put the 5.75-million-pound vehicle through its paces in a rigorous demonstration flight pushing its design limits, before NASA deems it reliable enough to carry astronauts.

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Named for the goddess who was Apollo’s twin sister in ancient Greek mythology, Artemis seeks to return astronauts to the moon’s surface as early as 2025, though many experts believe that time frame will likely slip by a few years.

The last humans to walk on the moon were the two-man descent team of Apollo 17 in 1972, following in the footsteps of 10 other astronauts during five earlier missions beginning with Apollo 11 in 1969.

Artemis also is enlisting commercial and international help to eventually establish a long-term lunar base as a stepping stone to even more ambitious human voyages to Mars, a goal NASA officials say would probably take until at least the late 2030s to achieve.

But NASA has many steps to take along the way, starting with getting the SLS-Orion vehicle into space.

lost in melb.
08-31-2022, 05:01 PM
Pony is your boss flying down again? :)

Pony
08-31-2022, 09:38 PM
Pony is your boss flying down again? :)

Believe it or not, rumor is he's looking at flights for Friday. :lol:

lost in melb.
08-31-2022, 09:42 PM
Believe it or not, rumor is he's looking at flights for Friday. :lol:

He's keen! :lol: