Artemis II crew see first glimpse of far side of Moon [video]

3 hours ago (bbc.com)

I like how most people's reactions at this point are "yeah, whatever", as if it's every day that humans observe the far side of the moon with a naked eye through a window :). We do know what it looks like and we have photos from the surface, yes, but seeing the reaction from real people who're actually there does hit different, at least for me

  • Speaking for myself (who has been fascinated with the space program since I was a small child), any joy I might feel around Artemis II feels tainted, by the immense amount of pork involved (SLS is called "Senate Launch System" for good reason) to the point where Artemis is more corporate welfare that happens to involve the Moon than a real space program, and by my belief that it is intended to be little more than a quick, dirty, and vainglorious Apollo repeat by a failing government.

    • I ran across this video[0] yesterday with Neil deGrasse Tyson talking about how it’s always been political. The first moon landing was more about global politics than science. As a child you likely weren’t concerned about that side of it, or were shielded from it.

      It isn’t always the purist motivations that push the human race forward, but forward it moves us.

      [0] https://youtu.be/j_AlXChA9F4

      4 replies →

    • I know the RS-25 engines[0] (aka SSME, Space Shuttle Main Engine) were "reusable" in an academic sense (needing a ton of refurbishment after each use) but it hurts my heart that we're dropping them in the ocean and it makes it hard for me to feel good about the Artemis program. It's irrational but it makes the kid who loved the Space Shuttle (which, itself, was a political pork barrel and a jack-of-all-trades-master-of-none kind of program) sad.

      [0] https://en.wikipedia.org/wiki/RS-25

    • The manned space program launches from Florida but is controlled from Houston. Why? Wouldn't it make more sense to have both in the same place?

      Florida is because there's no other safe place in the US to launch a big rocket on an easterly trajectory* than Florida. Or the extreme southern tip of Texas, which SpaceX uses.

      Houston is because NASA needed LBJ's support. They even named the place after him.

      * Why easterly? Because that's the direction Earth rotates. If you orbit in that direction you get some free momentum from the planet itself.

  • I'm not being a hater, but we landed on the moon 55+ years ago and now we're doing a flyby with 35+ year-old engine tech. It's good that we're doing something but we should be doing better.

  • It's great for them, but I'm not really into reaction videos. Pictures taken by space probes are just as good as far as I'm concerned.

  • I see what you mean, but I kind of understand the reaction: what does this change in 99.99% of people lives? Nothing at all. It's not necessarily ignorance.

  • People are struggling to afford every day life and we are surrounding by crazy things every day like cellphones talking to satellites in space. On any objective measure it is definitely amazing to send humans to the moon, but there are more pressing issues for most people right now.

    If we as a species had more of our ducks in a row we may be able to better celebrate this as the achievement for humankind that it is.

    • I see that "whitey on the moon" is back.

      If it makes you feel better, the amount of money the United States spends on space is a very small percentage compared overall entitlement spending. There is always going to be some level of inequality, so your maxim that we should only spend money on space exploration when those problems are solved just isn't workable. The enormous amount of money the United States spends on "solving" inequality and poverty begs the question of if that's even an effective or efficient allocation of resources in the first place.

    • people have been struggling to afford every day life for decades. So that’s nothing new. Unless only people in the 1st world count as people lol.

      You’re either emotionally consumed by the human struggle or not, it’s a personality thing - in my opinion. You’re allowed to be poor and a nerd, unless I missed the memo. I’ve met poor and wealthy people that are excited by space.

      1 reply →

    • I don’t think people are spending their time on more pressing issues. I think they are just are hooked on an endless stream of content that is built for addiction and is always within arms reach.

    • nah, it just seems like that on Twitter. We have more prosperity by far than we've ever had in history, this is a time to celebrate.

      We have our 'ducks in a row' more now than in the 1960's when we went to the moon because of a cold war and nuclear annihilation / escalation.

      My grandparents were born on farms with no electricity, plumbing, there was no real 'police' no social services, no healthcare, no antibiotics, 10% of children did not make it past age 1. That's in living memory.

      Despite the insanity on the news, it's mostly drama, and we still have more people coming out of abject poverty than ever.

      We have 'modern world problems', they are real problems for sure, but they are of a different scale entirely.

      Frankly, it may never even get that much better as we may be hitting diminishing marginal returns on 'progress' - we now have to figure out how to live 'long lives and stay healthy'.

      It's a fine time to go to the moon.

      2 replies →

  • it's amazing, but I'll refer you to Gil Scott-Heron for my feelings on the matter

      A rat done bit my sister Nell
      With whitey on the moon
      Her face and arms began to swell
      And whitey's on the moon
      I can't pay no doctor bills
      But whitey's on the moon
      Ten years from now I'll be payin' still
      While whitey's on the moon
      The man just upped my rent last night
      Cause whitey's on the moon
      No hot water, no toilets, no lights
      But whitey's on the moon
      I wonder why he's upping me?
      Cause whitey's on the moon?
      Well I was already giving him fifty a week
      With whitey on the moon
      Taxes taking my whole damn check
      Junkies making me a nervous wreck
      The price of food is going up
      And as if all that shit wasn't enough:
      A rat done bit my sister Nell
      With whitey on the moon
      Her face and arm began to swell
      And whitey's on the moon
      Was all that money I made last year
      For whitey on the moon?
      How come I ain't got no money here?
      Hmm! Whitey's on the moon
      Y'know I just 'bout had my fill
      Of whitey on the moon
      I think I'll send these doctor bills
      Airmail special
      To whitey on the moon

    • I just came across this poem a few days ago and had the opportunity to think about it.

      It’s a valuable perspective to hear. As someone prone to getting caught up in the breathless excitement about science, progress, human achievement, etc., it is a hard truth that these things are abstract and not relevant for people who are struggling with day-to-day life, particularly when those struggles are a result of the same government that is executing this mission.

      However, the older I get, the less I bind to the idea of a single, correct truth. This perspective doesn’t invalidate the perspective that the mission is valuable. The complexity of the system in which this is taking place means that these things (moon missions and affordable healthcare) aren’t fungible for one another; his poverty wasn’t the result of the moon mission, it was the result of EVERYTHING that had happened over the 100 years prior.

      So it’s useful to hear. It’s a sharp, valid reality check for those of us who like to think in big, abstract concepts. And, it’s one perspective among myriad valid perspectives.

      4 replies →

    • The author of this poem went to great lengths to show his racism. It reminds me of a post, probably on Reddit, of a similar racist nature. Just when it's going in the other direction it's clearer.

      The post was by a man, supposedly white, who had to pull his child or children from private school because he could not pay for it. His frustration was based on the fact that his taxes were higher than the school tuition, and that another student at the school, a black student, was having his tuition paid by the government. He implied that he was paying for another person's education, and could not afford his own child's education. He saw the same dichotomy as that expressed in the poem, in the other direction.

      2 replies →

    • Interesting. For all of Gil Scott-Heron's brilliance, this is by far my least favorite work of his.

    • I get the general frustration there, but it's weird to focus on NASA's budget when it's such a teeny tiny fraction of the total.

      Yes, there's a lot of government waste, but NASA ain't it.

      And I would suggest that the billionaire class and unfettered capitalism are far more responsible for the modern day version of Scott-Heron's woes than the good ol' government scapegoat.

      1 reply →

    • Yes, I remember that nihilistic piece of race rage bait and I remember it well. Now that 'non-whitey' is gliding past the moon and has shown he is past all that race-rage baiting by stating that [1] this is just — this is human history ... It’s the story of humanity — not black history, not women’s history I hope that the like of Scott-Heron and those who like to push this type of narrative are willing to finally take that hammer to ram down that nail into the coffin of the 'systemic racism narrative'.

      No, I'm not holding my breath, the narrative if far too profitable for far too many people [2] to be put to rest.

      [1] https://www.dailywire.com/news/watch-black-astronaut-on-arte...

      [2] https://www.goodreads.com/quotes/11151740-racism-is-not-dead...

      2 replies →

Am I losing it? They can’t be seeing the far side of the moon right now, because they haven’t adjusted course to go round the far side of the moon yet…

So does this suggest the BBC is wrong and it’s the side of the moon we’re used to seeing, but just it’s “dark”?

But then the astronauts are saying it’s weird seeing the moon in a whole new light (excuse the paraphrasing pun).

I don’t understand.

  • Imagine you're holding a ball with drawings on it. Hold it out at arms length and fix how it looks in your memory. Now bring it close to your face and move your head a tiny bit to the side. You're not seeing the whole back-side of the ball. Far from it! However, you are seeing some bits you weren't seeing before and the whole picture you can see now looks different than it did when the ball was at arm's length.

    That's my guess. They're seeing parts of the dark-side of the moon because they're now close enough that they have a different viewing angle than we do on Earth. Remember, they're not flying straight at the moon. That's not how transfer orbits work.

  • Remember that they’re not flying towards the Moon but to a point in space where they and the Moon will be closest together in a day or two, hence the Moon is now ‘off to their side’ and they can see a segment of it that is hidden to Earth observers … I think.

    Also, the dark side of the Moon is often illuminated but we call it dark because it’s also hidden from earth due to the Earth and Moon being tidally locked (the same side of each always faces the other body).

  • I was also very confused, but after some reading I figured it out.

    > In an interview with NBC News from space, NASA astronaut Christina Koch described seeing the moon out the window of the Orion capsule and realizing that it looked different from what she was accustomed to on Earth.

    > “The darker parts just aren’t quite in the right place,” she said. “And something about you senses that is not the moon that I’m used to seeing.”

    They are not on the other side of the moon seeing the full dark side, but from their position they're seeing the moon at a slight angle, meaning that SOME of what they now see is "the dark side", or the part we can never see from earth since the same side always faces us

  • >they haven’t adjusted course to go round the far side of the moon yet

    They did, 3 days ago! Maybe this is being pedantic (?) but the trans-lunar injection burn they did on April 2 put them on the complete trajectory including return to Earth. Though there are still possible correction burns that can be done to increase precision (the first 2 of these were already canceled).

  • They’re far enough out that they can see some stuff you don’t see from Earth. They aren’t seeing the entire far side yet.

    Illustrated: https://www.reddit.com/r/Astronomy/comments/1sd797j/the_moon...

    • It got deleted now. It would be nice to see a new versions if abailable.

      So, let's make some guess, but IANAA. Orion is in the middle of the trip going to the meeting point to the Moon in a quite straight line but the Moon is still not there. It will be there in 2 or 3 days, that is like 45° of the orbit.

        O                                                          .   .    o
        Earth                            >   .    .     .     .             Moon
                                         Orion                              in 3 days
                                                                          .
                                                                        .
                                                                     .
                                                                  .
                                                               .
                                                             .
                                                           o
                                                           Moon
                                                           now
      
      

      Using some sloppy Math and sloppy Astronomy, I estimate that the difference between our point of view and their point of view is 20° or 30°. So the visible surface has like a 10% difference, that is consistent to call it a "glimpse". My estimation is also similar to the graphic posted in Reddit, but I'm not sure what was the problem.

      I actually can't tell the difference in the photo to save my life, but I have a friend that is astronomer and I'm sure that if I show the photo to him, he could use a sharpie to mark the difference on my screen without any problem.

      1 reply →

  • “First glimpse of the dark side of the moon” rather than “the whole dark side of the moon”. Title is pretty accurate for my understanding.

  • I think they're saying they can see a sliver of the far side, and that seeing the moon from a slightly different angle is weird having seen the near side so often. But they didn't really make that clear.

  • They did that change a long time ago. They are on a course to go around the Moon from the TLI burn (trans lunar injection) Thursday at 7:49pm EDT. They don’t need any more burns for that.

  • > they haven’t adjusted course to go round the far side of the moon yet

    No course adjustment is necessary (at least in the sense of an engine burn). The moon's gravity will sling them around and back toward Earth.

On one of Apollo missions they've read from Bible, Book of Genesis [1]. I wish they did something like that here - and I'm not even a Christian, let alone religious. They did relay some beautiful message [2] though.

[1] https://www.youtube.com/watch?v=A4tDZye57D4

[2] https://www.youtube.com/watch?v=ELslc6O4UVk

  • I sure hope they don't. Even just the hint of connecting this achievement to the supposed Christian nature of the US would reinforce a lot of the bad things in the world right now. Namely, that we're actively at war in the middle east (Christianity and Judaism vs Islam), in a burgeoning cold war with China (more Christianity vs "godless" communists), and run by an increasingly fascistic administration (the ties between religion and government are a hallmark of fascism).

    • I am not a Christian, but it was arguably the Christian value system which forged the government and institutions that made these achievements possible. Such progress happens only in high trust societies.

      3 replies →

It's interesting to me how cautious NASA is being with Artemis II. I wrote about the risk / mortality calculation behind this, but everything from the trajectory, the decision not to do an orbital insertion, the checkout in high-Earth orbit is very cautious.

I wish this mission took greater risks. Or, just at least go as far as Apollo 8, but stay for a bit longer, and try out new things. It would be fun to take a finicky low mass radio telescope experiment to the far side of the moon.

Far side != Dark side

  • It is this week. Which is interesting because the photo in the clip is the familiar near side -- I recognize the bunny.

  • It’s approximately the dark side when the moon is full, which happened two days ago.

    • Yes and (IIRC) they don't want to flyby while at full moon on the far side as to have some shadows to help differentiate the terrain

    • > It’s approximately the dark side when the moon is full, which happened two days ago.

      Who downvotes that? It is true.

      Edit: maybe you can illuminate why you downvote?

It makes me tear up seeing the absolute 'best of us' as humanity striving and exploring in the midst of so much wretched evil and awfulness.

Just some humans doing proper awesome human stuff and being good people advancing international brotherhood and scientific advancement.

Love seeing our Ontario native Jeremy Hansen on the microphone, and those two flags properly positioned beside each other.

I'm not a Christian today, but was raised that way. This is the hopeful message I want to see on this day, and the true meaning of the symbol. Hope for all humankind. Working together.

edit: knee jerk reaction was wrong

Still think what he said is worth hearing.

https://www.instagram.com/reel/DWvRjeEgecb/?igsh=MXZoYjZobDM...

It’s sort of curious that BBC always seemed to get linked to the Artemis news on HN instead of the official NASA website or US news agencies.

Incredible achievement but I'll be honest — if you showed me this photo without context I would have no idea it was the far side. Just looks like the Moon. Also didn't realize we could capture an image like this in what I assumed was total darkness.

  • > Just looks like the Moon.

    It is the moon.

    > Also didn't realize we could capture an image like this in what I assumed was total darkness.

    The "Dark Side of the Moon" is a misnomer. It gets as much light as the side we can see.

I am curious. If it is on the far side, where does the light come from for the photos? Other stars?

  • The moon is tidally locked with the Earth, which means the same side always faces the Earth. So, for example, when the moon is between the Earth and the sun, the far side (from the perspective of Earth) would be fully illuminated by the sun.

    The “far side” of the moon refers to the hemisphere that can’t be seen from Earth.

  • The sun still. It's just that that side never points towards the earth, but it still gets sunlight. Same as how the side we see isn't fully lit except during a full moon.

I'm going to be VERY disappointed if there's no Pink Floyd music or commentary from the Artemis mission. Particularly now. Life's short, and one can't be serious all the time...

Wallis and Gromit would be a partial substitute, but the boomers are still around.

There’s too many problems here on earth for me to get excited about a trip to the moon

  • Given how many of these problems are self-inflicted, maybe we should focus more on trips to the moon and beyond, not less.

    • Yeah, if we cut back a bit on the war crimes we could easily fund both more moon missions and cool science, as well as a shit ton of great programs to help people with the basics like food and rent and health care.

  • I completely understand and agree. But there is still something magical about spaceflight that will forever put me in awe. It’s a small moment of wonder in a world of disappointment. I’ll take anything I can get these days

  • Agreed. I remember following the various Mars rover missions of the 1990s-2010s with avid interest. I have now lost my interest in space completely. The house is on fire and we're going on holiday again? It's beginning to feel almost indecent.

  • The trip to the moon just makes me depressed about all the problems here because they seem so pointless in perspective.

  • In fact a trip to the Moon gives me hope for our species—that not everything is shit.