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Old January 19th, 2024 #1
Ray Allan
Senior Member
 
Join Date: May 2014
Posts: 15,170
Default Malfunctioning lunar lander burns up in Earth's atmosphere

Why the Peregrine moon lander was burned up in Earth's atmosphere

Quote:
The Peregrine mission is over. The US company that built the thwarted lunar lander, Astrobotic, has brought the spacecraft home to burn up in Earth's atmosphere after a fuel leak kept it from completing its journey to the moon.

Just 7 hours after its January 8 launch atop a Vulcan rocket, engineers noticed that Peregrine wasn't pointing in the right direction, so its solar panels weren't charging the batteries that ran its electronics. Shortly after that, it became clear that fuel was leaking from the craft. Eventually, it was found that an oxidizer tank had ruptured, perhaps because of a stuck valve, and the leak was generating a small amount of thrust that changed the probe's orientation. By the time it was all figured out, Peregrine had already lost too much fuel to make it to the moon, let alone perform the manoevres necessary for a gentle landing on the lunar surface.
https://newscientist.com/article/241...;s-atmosphere/

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Old January 21st, 2024 #2
Ray Allan
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Join Date: May 2014
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Default

Although it soft-landed on the Moon, the Japanese lander SLIM (Smart Lander for Investigating the Moon), assumed the wrong orientation, pointed ass-end up with its solar panels facing away from the Sun and the spacecraft not getting power until its batteries go dead. 2/2 failures for a successful lunar mission this year so far. Well, space is hard as they say.

__________________
"Military men are dumb, stupid animals to be used as pawns for foreign policy."

--Henry A. Kissinger, jewish politician and advisor
 
Old January 31st, 2024 #3
Ray Allan
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Join Date: May 2014
Posts: 15,170
Default SLIM came back to life

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