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Old 01-19-2024, 09:25 AM   #1
mjolnir
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Japan Soft Lands on the Moon


Japan on the Moon!!! Congratulations @JAXA #SLIM

Last edited by mjolnir; 01-19-2024 at 09:27 AM.
 
Old 01-19-2024, 10:00 AM   #2
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It's starting to look as if the last 50 meters 'was not optimal.' People are saying that the craft hovered at 50 meters for the forecast 'pinpoint' landing and the telemetry froze. Hope not.
 
Old 01-19-2024, 01:39 PM   #3
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Looks like the solar panels are not working
 
Old 01-19-2024, 02:19 PM   #4
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Looks like we need to put a man on the moon, to walk over and check it out .
 
Old 01-19-2024, 04:13 PM   #5
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Let's just celebrate their success.
 
Old 01-19-2024, 04:47 PM   #6
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True. At least it was a soft landing instead of an new impact crater. Since it has cameras, you'd think they could tell the 'orientation' of the landing ?

Last edited by rclark; 01-19-2024 at 04:51 PM.
 
Old 01-19-2024, 11:33 PM   #7
enorbet
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Two of the probes survived and are apparently working. It appears there was a gradient that affected the timing of the attitude burn to after touching down rather than above ground. This resulted in the main unit falling on it;s side with the solar panels facing West, away from the Sun. It is still possible that when the Moon-Sun orientation changes and the Sun strikes the panels it may charge enough to do some Science. The Fat Lady has yet to sing.
 
Old 01-25-2024, 03:00 AM   #8
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"Moon Rovers
Japan's SLIM moon lander photographed on the lunar surface (image)
News
By Mike Wall published about 1 hour ago

The tiny LEV-2 rover, one of SLIM's traveling companions, took the historic photo"
https://www.space.com/japan-slim-moo...-lunar-surface
 
Old 01-26-2024, 09:48 AM   #9
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Japan just released a few images taken on the moon before the lander shut down. Here's one -
Attached Thumbnails
Click image for larger version

Name:	JapaneseML.jpg
Views:	11
Size:	222.0 KB
ID:	42474  
 
Old 01-28-2024, 12:34 PM   #10
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This really just goes to show how incredibly difficult this whole thing actually is. Despite the stories.
 
Old 01-28-2024, 04:38 PM   #11
enorbet
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Geez sundialsvcs. There is a world of difference between a completely automated machine landing and one where human involvement. The only "stories" (and truly unfortunate and a bit ignorant they are) I know of are the few times someone, likely just a journalist or non-technical NASA press person, released some photos ith questionable bylines.

One example apparently is that some press person was writing a piece on an astronaut's EVA spacewalk and, realizing there was no footage of the current event but wanting to accompany text with a picture, pulled up some old Gemini era underwater training footage, blacked out the background (but not the training harnesses) and used it as representative of the current event. Lazy and Stupid for sure. Bald face lie, kind of, technically, but definitely NOT a faked event, just regrettably misrepresented.

That actual Apollo footage looked weird to some was simply we earthbound souls have no frame of reference for 1/6th G on the surface of the Moon. For example, some called into question not being able to see starts in the black sky, not realizing the actual brightness of the albedo with full exposure to the sun, unfiltered by atmosphere or cloud cover, and just how filtered those videos and photos had to be to not be a complete whiteout. Every misguided moon landing conspiracy has been dealt with by both experts in the field of space exploration as well as specific fields like photography, cosmology, biology, etc. and on top of that the most obvious rebuttals, the laser reflectors that in the 70s had to be placed by human hands and the radar evidence not only of friendly nations but outright enemies.

It was an embittered space race competition after all far more than mere scientific curiosity, It was also regrettably very political and had China or Russian had the slightest sliver of evidence to deny the landing and catch the US in a lie, it would have been shouted from the rooftops and plastered in public everywhere. It is also worth noting if the landing was ONLY political there was no need to repeat it several times. Once was sufficient. If it was at all truly doubtful repeating it would be like stealing Bill Gate's car and then each week driving it around his neighborhood. Your odds of getting away with it would diminish drastically.

Bottom Line - Whatever else is true or in doubt, Men walked on the moon. The tracks appear in modern moon satellite photos by nations other than the US. Deal with it.

BTW, and back on topic of Japan's soft landing, it appears one of the landing engines failed to ignite, and that condition was not dealt with properly by programming. I'm confidant that oversight will be corrected for Japan's next attempt. They already have a very high percentage success under their belt and now any space race is no longer dominated by politics. Now it's about money, LOTS of money, (not to mention historical national pride) and that almost always works for rapid advancement.

Last edited by enorbet; 01-28-2024 at 04:46 PM.
 
Old 01-28-2024, 05:51 PM   #12
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@enorbet: We all should be extremely interested in these efforts to land robotic probes onto the Moon. Because: [i]"this is where we are, right now."

Although our robotic successes on far-away planets like Mars are impressive, "we should first be trying to get to the Moon." And the first(!) way that we will get there is through "robotic probes." (Such as these.) We need to learn from these failures and problems, to develop solutions which can compensate for inevitable mechanical issues, entirely beyond "real-time human intervention" due to distance and(!) the speed of light.

I'm sorry that 1960's politics made it seem to be "politically necessary" that all of this is "so gosh-darned easy." "Let's play golf." Because the reality as seen this year by the best scientific efforts of three different highly-advanced nations is very simply that it isn't. That "smiling moon" is, in fact, a ruthless place.
 
Old 01-28-2024, 08:18 PM   #13
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Honestly, sundialsvcs, I truly don't understand what makes you think anyone living during the late 50s to the early 70s really imagined "this is so gosh-darned easy." Not only did JFK say, "We choose to do this and the other things not because they are easy but because they are hard" and even with that most scientists and engineers were aghast at the audacity of such a challenge. That only transformed into excitement when it sunk in that funding would actually be available. Few knew back then that politicians were not only smarting from the shock and pain of sputnik but also millions of dollars lost to Yugoslavia on a shell game.

Nevertheless after the satellite program was handed to the Navy and Vanguard after Vanguard rocket blew up on the pad and as solid as Atlas was it was incapable and was finally left to Wernher von Braun and the Juno 1 and Jupiter C to get satellites in orbit, way behind the Russians. Yes it was only later we learned about their failures but we (the US) had plenty! and reported them openly, I should add.

Saturn was a massive undertaking, undergoing more versions than "5" denotes, that took the better part of a decade to get truly reliable but even the early versions were vastly superior to Vanguard and Atlas, but that didn't occur until 1967. Nevertheless it made global news when the Apollo oxygen fire claimed the lives of Chaffee, Grissom, and White.

How is that "gosh-darned easy"? The whole golf thing was to demonstrate the physics of low gravity and lack of atmosphere. It may have also been a bit of showboating, and in my view rightly so since, despite being apparently not an officially sanctioned event but a personal whim, since once we had accomplished the immediate goal, public interest waned and then so did funding. It actually makes me sad and angry that Nixon's name is on a plaque on the Moon that will last for millennia despite he being the guy that pulled the plug. Seems he got his footnote in History and there was nothing he could see in it for him anymore (the raht bastid). By 1970 2 planned Apollo missions were cancelled.

The Moon isn't "ruthless", it isn't sentient and is just seriously dangerous but really no more dangerous than the Mindanao Trench. In fact, I for one would trust a space suit on the Moon far more easily than any flexible suit at the floor of Mindanao.

Last edited by enorbet; 01-28-2024 at 08:20 PM.
 
Old 01-28-2024, 08:34 PM   #14
sundialsvcs
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@enorbet: I perfectly well understand from many previous encounters that you absolutely believe that, in 1969, we were "perfectly capable of" achieving the promise that had been made by a beloved President who had been martyred 6 years before. And that by gawd we did it, and that we left behind "golf balls."

So, perhaps the Russians and the Indians and the Japanese should have, instead, adopted a far simpler mission: to recover any one of those many "golf balls," and return them to Earth.
 
Old 01-29-2024, 08:08 AM   #15
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Quote:
Originally Posted by sundialsvcs View Post
So, perhaps the Russians and the Indians and the Japanese should have, instead, adopted a far simpler mission: to recover any one of those many "golf balls," and return them to Earth.
What would be the point of that? You wouldn't believe the golf balls they retrieved were really from the moon.
 
  


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