Mashable 03月07日
U.S. spacecraft encounters problem during its ambitious moon landing
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Intuitive Machines公司的雅典娜号探测器在3月6日尝试登月,但着陆并不完美,目前状态不明。虽然飞行过程表现出色,但着陆姿态存在疑问,可能侧翻。此次任务是该公司第二次尝试政府支持的登月项目,此前一次也以失败告终。雅典娜号携带了NASA的钻探设备PRIME-1,旨在探测月球南极的水冰资源,为未来的载人登月任务做准备。尽管着陆情况不理想,但雅典娜号仍在充电并与地球通信,任务仍在进行中,未来几周将确定钻探设备是否能正常工作。此次任务是商业太空探索的一部分,旨在为NASA的阿尔忒弥斯计划建立月球永久存在点做准备。

🚀雅典娜号探测器由Intuitive Machines公司运营,是NASA资助的登月任务,旨在探索月球南极地区的水冰资源,为未来的载人登月任务提供支持。

🛰️着陆情况不确定,工程师们正在评估探测器的姿态和整体状况,可能侧翻。此前Intuitive Machines的首次尝试也以着陆失败告终。

⛏️雅典娜号携带了NASA的PRIME-1钻探设备,用于在月球表面下三英尺处钻探,寻找水和其他资源。水冰的发现对建立月球永久存在点至关重要。

🤝此次任务是商业太空探索的一部分,与Firefly Aerospace的Blue Ghost着陆器同属于NASA的商业月球有效载荷服务计划,旨在支持未来的载人登月任务。

A 15-foot-tall spacecraft had an imperfect landing on the moon.

The NASA-funded mission to the moon, operated by the Houston space exploration company Intuitive Machines, touched down on March 6, but engineers are still uncertain about its orientation and overall condition. Is the spacecraft, for example, lying on its side?

Though the robotic craft, called Athena, performed excellently on its flight to and around the moon, this landing mishap comes a year after Intuitive Machines' first government-supported attempt resulted in the spacecraft landing hard, breaking a leg, and settling on its side.

"I think we can agree, particularly today, that landing on the moon is extremely hard," Nicola Fox, who leads NASA's Science Mission Directorate, said at an agency news conference on March 6. 

Athena fired thrusters to brake at speeds of some 4,000 mph during its final descent. Intuitive Machines is confident the craft landed on the towering Mons Mouton, a lunar mountain near the moon's south pole rising 20,000 feet above the surrounding terrain. It's unclear, however, how far Athena may be from its intended landing site within Mons Mouton. This southern region is rich in water ice, and is relatively close to where NASA intends to bring astronauts in mid-2027.

Athena is currently charging on the lunar surface — meaning some sunlight is reaching the craft. It's communicating with Intuitive Machine's engineers, too. But much of the mission now remains in limbo. 

"We think we've been very successful to this point," Steve Altemus, the chief executive officer of Intuitive Machines, said at the press conference. "But we don't think we're in the correct attitude on the surface of the moon again."

An artist's conception of an Intuitive Machines' spacecraft landing upright on the moon. Credit: Intuitive Machines

Crucially, the lander is equipped with a NASA drill, called PRIME-1, to investigate south pole resources in anticipation of astronauts returning to the moon. The instrument is designed to drill some three feet below the lunar surface, and another instrument, called a spectrometer, looks for water and other materials. It remains unknown if the drill will be able to function in a non-optimal orientation, but NASA and Intuitive Machines will discern that capability in the coming weeks. 

The drill is important. Harvesting water ice, the space agency has emphasized, is crucial for making drinkable water, oxygen, and fuel for rockets. Over eons, comets and meteors striking the moon could have transported bounties of water to the moon's surface. Other sources could be water vapor that naturally seeped out of the lunar underground, or chemical reactions between oxygen in the lunar soil and the relentless solar wind.

But without finding and mining this ice, the U.S. cannot establish a permanent presence on the moon, a pivotal part of its Artemis program.

In a sign of burgeoning commerical space exploration in the 21st century, Athena (however impaired) joins the Blue Ghost lander, built by Texas-based Firefly Aerospace, which successfully touched down on the moon's near side on March 2. That craft is also part of NASA's Commercial Lunar Payload Services program, which consists of robotic technical and science endeavors that support looming crewed lunar missions.

"The risk will always be there."

Landing on the moon remains daunting, largely because it's a world with virtually no atmosphere to slow spacecraft down. A craft must plummet to the surface perfectly, as thrusters fire to slow its descent onto a surface teeming with pits and craters. Although Chinese and Indian craft have had recent landing successes, the Intuitive Machines' spacecraft Odysseus sustained damage while landing awkwardly in 2024. The same year, a Japanese craft landed upside down, on its head.

Athena also carried both a small rover and hopper, designed to test moon exploration technologies in a crater-blanketed world. We'll soon find out if these machines can depart Athena, and bound over the lunar surface.

Such robotic landing missions are high-risk and high-reward endeavors, NASA's Fox emphasized.

"The risk will always be there," she said.

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雅典娜号 月球探测 水冰资源 商业航天
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