Slashdot Mirror


The Moon Is Shrinking Like a Wrinkled Apple

astroengine writes "New observations by NASA's Lunar Reconnaissance Orbiter have uncovered a number of previously unknown, recently formed 'lobate scarps' — raised cliffs about 9 meters high and several kilometers long — over the lunar surface. These scarps form along thrust faults where compression forces the moon's crust to rise. Up until now it was thought these lobate scarps only occurred around the lunar equator, but the high resolution LRO imagery suggests they are ubiquitous, regardless of latitude. As the moon is geologically inactive, what could be creating these features? It would appear the moon's surface is acting like the skin of an apple surrounding the shrinking, dehydrated flesh of the fruit; the lunar crust (skin) is wrinkling as the body of the moon (the flesh) shrinks due to cooling contraction inside the moon's core."

83 of 116 comments (clear)

  1. The analogy is all wrong by Anonymous Coward · · Score: 3, Funny

    This more like the aging of a round of cheese.

    1. Re:The analogy is all wrong by 2.7182 · · Score: 4, Funny

      "That's no moon - it's an aging round of cheese."

      "An aging round of cheese? No one could make an aging round ..... wait a minute...Chewie quick, get out the crackers..."

    2. Re:The analogy is all wrong by Captain+Splendid · · Score: 1

      This more like the aging of a round of cheese.

      This is Slashdot. You need to use a car analogy instead.

      --
      Linux, you magnificent bastard, I read the fucking manual!
    3. Re:The analogy is all wrong by TrisexualPuppy · · Score: 1

      This is Slashdot. You need to use a car analogy instead.

      No, no, you got that all wrong. Let's start again, and I'll give you a little hint...

      That's no moon.

    4. Re:The analogy is all wrong by FatdogHaiku · · Score: 2, Funny

      Oh, I think it was Gouda nuff...

      --
      You have the right to remain sentient. If you give up the right to remain sentient, you will be elected to public office
    5. Re:The analogy is all wrong by gstoddart · · Score: 1

      This is Slashdot. You need to use a car analogy instead.

      If we called it a cheese wheel, would that be close enough? :-P

      --
      Lost at C:>. Found at C.
    6. Re:The analogy is all wrong by dkleinsc · · Score: 1

      Forget Chewie, what about Gromit?

      --
      I am officially gone from /. Long live http://www.soylentnews.com/
    7. Re:The analogy is all wrong by FiloEleven · · Score: 2, Funny

      Don't Brie silly, the Tyning was all off.

  2. Amazing by Ardeaem · · Score: 5, Funny

    It's amazing that can happen over the span of just 6,000 years.

    1. Re:Amazing by Joshua+Fan · · Score: 1

      And now, because of the Slashdot feature, experts are certain the moon will crumble and rain down hellfire on us in a few years.

    2. Re:Amazing by Elektroschock · · Score: 1

      Finally a plausible 2012 teaching. The moon would be split into pieces.

      All that happened just because in 2009 the Space Nazis drilled for gold. They planned the financial crisis together with the skulls and bones. The Space Nazis wanted to "get rich big" by selling moon gold.

    3. Re:Amazing by oldmac31310 · · Score: 1

      Get your little pointy forks and bread ready. A fondu downpour will happen any day now.

      --
      http://www.acetonestudio.com
    4. Re:Amazing by Grishnakh · · Score: 1

      Sounds like you're one of the morons who thinks the earth is 6000 years old.

      Sorry, but if you're a moron, and like to go around spouting idiotic beliefs, then you shouldn't be surprised when people make fun of you.

    5. Re:Amazing by Grishnakh · · Score: 1

      The funny thing about the whole situation is that they're both right.

  3. I'm crushing your head! by Zeek40 · · Score: 1

    I mean moon! I'm crushing your moon!

  4. It's just by JustOK · · Score: 4, Funny

    it's just shrinkage cuz it's cold in space. Happens to every moon, doesn't it?

    --
    rewriting history since 2109
    1. Re:It's just by whovian · · Score: 1

      it's just shrinkage cuz it's cold in space. Happens to every moon, doesn't it?

      It is very cold....in spaccccccccce.

      --
      To-do List: Receive telemarketing call during a tornado warning. Check.
    2. Re:It's just by capo_dei_capi · · Score: 2, Funny

      And here I thought there are no women on the internet...

    3. Re:It's just by tophermeyer · · Score: 1

      From hells heart, I stab at thee.

    4. Re:It's just by mcgrew · · Score: 1

      Nah, it's shrinking and wrinkling 'cause it's gettin' old. Like your mom.

    5. Re:It's just by unix1 · · Score: 1

      Happens to every moon, doesn't it?

      That's right. In fact, Steve Jobs has scheduled a press conference later today demonstrating that, contrary to NASA's claim, this has nothing to do with Apple specifically. He will show pictures of moons from other planets that experience the same "shrinkage" if you look at them in a certain way. Sources familiar with the situation say the moons in the demo will resemble other fruits including different berries. YouTube videos will follow the press conference.

    6. Re:It's just by Dishevel · · Score: 1, Funny

      Of course there are women on the internet. Hell if it wasn't for women 93% of the internet would vanish.

      --
      Why is it so hard to only have politicians for a few years, then have them go away?
    7. Re:It's just by PachmanP · · Score: 1

      Nah, it's shrinking and wrinkling 'cause it's gettin' old. Like your mom.

      Hey! I was with his mom the other day, and she is most definitely not wrinkling (at least where it counts). She also had quite a lot of pent up...uh...energy.

      --
      You're thinking small. Why miniaturize the laser, when we could instead enlarge the sharks? -John Searle
  5. Nuke it by Loomismeister · · Score: 2, Funny

    The only way to guarantee our safety is to nuke it to ashes before anything unexpected or bad happens. Plus everyone will receive free apple pie from the sky.

    1. Re:Nuke it by dimuziom · · Score: 2, Funny

      That's like the inverse of "nuke the site from orbit, it's the only way to be sure." Well played.

    2. Re:Nuke it by anaesthetica · · Score: 2, Informative

      Make sure to nuke it when it's a full moon, otherwise we might not get the whole thing.

  6. Al Gore says.. by al3k · · Score: 5, Funny

    It's lunar cooling!!

    1. Re:Al Gore says.. by bwayne314 · · Score: 2, Funny

      hes super-cereal guys!

    2. Re:Al Gore says.. by SnarfQuest · · Score: 1

      Nope. It's still Global Warming. Remember that movie where New York was frozen solid by Global Warming, releasing the wolves. This is the same thing. Better be ready for the Lunar Wolves to attack.

      --
      Who would win this election: Andrew Weiner vs Andrew Weiner's weiner.
    3. Re:Al Gore says.. by WoRLoKKeD · · Score: 2, Funny

      Correct me if I'm wrong, but the last time the Luna Wolves did a major attack, didn't we end up with a galaxy-crushing war on our hands?

      --
      Immolation is the sincerest form of flattery.
  7. Viagra for The Moon! by PolygamousRanchKid+ · · Score: 1

    Quick! Send all your Viagra emails there! The Moon needs Viagra! It's shrinking like it was stuck in cold water!

    --
    Schroedinger's Brexit: The UK is both in and out of the EU at the same time!
  8. teehee by Pojut · · Score: 2, Funny

    Frylock: "What happened to your body, man?"
    Meatwad: "Well, it's obvious isn't it? Thermal expansion."
    Frylock: "No it's not thermal expansion. I know what thermal expansion is."
    Meatwad: "Okay, fine. I'm sure that you do. Let's see, how can I explain this without blowing your mind?"
    Frylock: "Oh yes, please. Dumb it down for me."
    Meatwad: "Heisenberg's Uncertainty Principle tells us that at a specific curvature of space, knowledge can be transferred into energy."
    Frylock: "Heisenberg's Uncert-"
    Meatwad: "Or...and this is key now...matter."
    Frylock: "No it does not!"
    Meatwad: "Well, some people struggle with Heisenberg. Look! Here's a toy! It goes up and down on a string, doesn't that look like fun?"
    Frylock: "Get that thing out of my face!"
    Meatwad: "Why don't you go take that into the other room, while the adults are doing important research here."
    Frylock: "Oh, I'm sorry professor. I didn't realize that knowledge could also transform you into an arrogant ass."

  9. Wrinkled Apple by Inda · · Score: 5, Funny

    All this Apple bashing on Slashdot is doing my head in. Can't you just give it a rest for a single day?

    I'm so angry. Cancel my subscription. I'm done here.

    --
    This post contains benzene, nitrosamines, formaldehyde and hydrogen cyanide.
    1. Re:Wrinkled Apple by notknown86 · · Score: 1

      Sack up, precious - you wouldn't want to get any tears on that pretty little Retina Display now, would you...

  10. Tides? by egburr · · Score: 4, Interesting

    My first thought was couldn't this be more of a tidal effect than due to shrinking? After all, look at what the orbiting mass of the moon does to our oceans. Wouldn't the mass of the earth have a similar effect on the moon? Even if it is tide-locked so the same face always faces the earth, surely there's some slight wobble to that that would cause stress.

    --

    Edward Burr
    Having a smoking section in a restaurant is like having a peeing section in a swimming pool.
    1. Re:Tides? by Peach+Rings · · Score: 5, Funny

      Hur dur, except that's exactly what was surprising about finding the scarping places other than the lunar equator.

    2. Re:Tides? by TimHunter · · Score: 1, Flamebait

      My first thought was couldn't this be more of a tidal effect than due to shrinking?

      What a brilliant idea! Why don't you call up "David Morrison, senior scientist at NASA's Lunar Science Institute and NASA's 'Ask an Astrobiologist' http://astrobiology.nasa.gov/ask-an-astrobiologist/ expert" and share your insight with him?

      Say something like "Hey Dave! I've RTF summary on Slashdot and now I think I know more about this than you do."

      Then post back and tell us what happened.

    3. Re:Tides? by Froze · · Score: 3, Interesting

      I think the idea is that tidal distortions would be almost exclusively limited to the equatorial regions, this appears to be radially isomorphic, indicating that it is not the result of tidal stress.

      --
      -- The morphemes of your disquisition are ascertainable, but they have eschewed an ambit of transpicuous exposition.
    4. Re:Tides? by IndustrialComplex · · Score: 1

      Well there's your problem. If he were an Astrogeologist then people might stop discounting his theories.

      --
      Out of modpoints but really liked a post? 1BDkF6TtmmeZ3yqXbz9yhdYVqRYnwFoXDj
    5. Re:Tides? by ewskau · · Score: 3, Interesting

      The article does not mention this at all, but if the moon is shrinking then its rotational period must be getting shorter (angular momentum). There does not seem to be an indication that the period of the moon is decreasing, suggesting its either too small of an effect, not there, or not being looked for.

    6. Re:Tides? by mea37 · · Score: 3, Interesting

      Interesting point. However, I think tidal locking makes it a little more complicated than that.

      I'm not sure what happens when a tidally locked satelite's diameter gradually changes, but given that tidal locking is an equalibrium state it seems reasonable to suspect that the tidal lock is preserved.

      If so, then as the moon's rotation would naturally tend to speed up, the Earth would pull back on it. This would reduce the increase in rotation, but to preserve angular momentum it would also have to increase the orbital period - meaning the moon would move to a lower orbit with both its period of orbit and its period of rotation slightly reduced.

    7. Re:Tides? by osu-neko · · Score: 5, Interesting

      This would reduce the increase in rotation, but to preserve angular momentum it would also have to increase the orbital period - meaning the moon would move to a lower orbit with both its period of orbit and its period of rotation slightly reduced.

      You were right before the dash: it will increase the orbital period, not reduce it as you said (contradicting yourself) after the dash. This will push the moon into a higher orbit, not a lower one. And indeed, the moon is moving 38mm further away every year, although this is primarily due to the same effect slowing the Earth's rotation rather than the Moon's.

      --
      "Convictions are more dangerous enemies of truth than lies."
    8. Re:Tides? by CrimsonAvenger · · Score: 1

      I think gravitational forces may not cause that problem as it will pull the moon but then pull it back when it rotates 180 degrees (as for the earths observation) I don't think those forces would create that type of an effect.

      Someone did explain to you that the moon doesn't rotate relative to Earth, right? Same face is looking at us all the time...

      If no-one has explained that yet, consider this to be a brief introduction: the moon is "tide-locked" to Earth, and its rotation period is the same as its orbital period. What this means is that tidal effects of the Earth on the moon are never cancelled out "when it rotates 180 degrees (as for the earths observation)"....

      --

      "I do not agree with what you say, but I will defend to the death your right to say it"
    9. Re:Tides? by icebike · · Score: 1

      Shrinking wasn't the first thing that came to my mind either. There should be some horrendously large ridges pushed up, some obvious fault escarpments and such.

      I was thinking expansion, like the mid-atlantic rift, but I'd go for gravitational deformation as an equally probable cause.

      I'm sure the scientists making the claim have some reason to suspect shrinkage, but solid body shrinkage is not they postulate on any other moons, so why raise that suggestion here?

      --
      Sig Battery depleted. Reverting to safe mode.
    10. Re:Tides? by jellomizer · · Score: 1

      Yea sorry. I forgot about that during my post.

      --
      If something is so important that you feel the need to post it on the internet... It probably isn't that important.
    11. Re:Tides? by shnull · · Score: 1

      my first thought was, what would happen if the moon disappeared completely? i suppose that would have a severe impact on us, no? As long as it's shrinking i suppose it doesn't really lose mass. So the gravitational effect should stay the same, but, does size matter on this cosmic scale? Anyone any idea?

      --
      beware he who denies you access to information for in his mind, he already deems himself to be your master (SMAC-ish)
    12. Re:Tides? by mea37 · · Score: 1

      You're right that I got turned around, but you're wrong about where I was wrong. I was wrong before the dash.

      The tides reduce the amount by which the rotational period changes. Without the tides, the rotational period would decrease, so the tides are effectively increasing the rotational period. For the tides to increase the rotational period, they must decrease the orbital period, which indicates a lower (not higher) orbit.

      Thenet effect is for both periods to decrease. If you think about what tidal locking means, you already know this has to be true. In tidal lock, orbital period == rotational period, so you cannot go from one locked state to another locked state by increasing one period and reducing the other.

  11. I think that was plan 5 plan 9 is even dumber by Joe+The+Dragon · · Score: 1

    The only way to guarantee our safety is to nuke it to ashes before anything unexpected or bad happens. Plus everyone will receive free apple pie from the sky.

    I think that was plan 5 plan 9 is even dumber

    1. Re:I think that was plan 5 plan 9 is even dumber by Peach+Rings · · Score: 1

      Here's the plan. We fire a large volume of rubber debris directly into the Moon's craters, plugging them up and preventing the Moon from pumping out any more deadly space anthrax.

  12. Nah... by davev2.0 · · Score: 2, Funny

    It is just a side effect of my lunar mining operations.

  13. So it's the next Apple product by microbee · · Score: 2, Funny

    iMoon, Wrinkle Different

    1. Re:So it's the next Apple product by rrohbeck · · Score: 1

      His Jobsness will never approve that name.

  14. Geologically inactive? by Hatta · · Score: 4, Interesting

    That the moon is undergoing these kinds of changes shows that the moon is geologically active. There may be no convection going on in its core, but this is still geological activity.

    --
    Give me Classic Slashdot or give me death!
    1. Re:Geologically inactive? by IndustrialComplex · · Score: 2, Informative

      That the moon is undergoing these kinds of changes shows that the moon is geologically active. There may be no convection going on in its core, but this is still geological activity.

      It shows that there was geo-activity, not that it is currently geoactive.

      --
      Out of modpoints but really liked a post? 1BDkF6TtmmeZ3yqXbz9yhdYVqRYnwFoXDj
    2. Re:Geologically inactive? by TheRedDuke · · Score: 1

      Well, the whole point of the article is: that's what we thought, but now it would seem we were wrong. That's scientific method for you. As for your confusion, that's a Slashdot paraphrase for you.

    3. Re:Geologically inactive? by wcrowe · · Score: 1

      Ah. So it should have read, "As the moon was thought to be geologically inactive..."

      --
      Proverbs 21:19
    4. Re:Geologically inactive? by avandesande · · Score: 1

      What they are saying here is that there is no instability due to a liquid core. My guess is that ice is subliming from under the surface.

      --
      love is just extroverted narcissism
    5. Re:Geologically inactive? by Grishnakh · · Score: 1

      As for your confusion, that's a Slashdot paraphrase for you.

      Unfortunately, we can't blame this one on kdawson.

    6. Re:Geologically inactive? by damasterwc · · Score: 1

      Isn't the moon hallow anyway?

  15. Shrinking like the skin of an apple by RNLockwood · · Score: 2, Funny

    OMG, in a few thousand millennia the man in the moon will look like Ronald Reagan!

    --
    Nate
  16. We're doomed by docilespelunker · · Score: 1

    And slowly it collapses into a black hole...

  17. That's no moon by EmagGeek · · Score: 1

    .... it's a Space Apple.

  18. Dehydrated by G3ckoG33k · · Score: 1

    The word "dehydrated" refers to the shrinking apple (no, not Apple). Yet, recall that water was found on the Moon a few months ago. Cool. Huh? :)

    1. Re:Dehydrated by Jhyrryl · · Score: 1

      The aliens are stealing it!

      --
      Jhyrryl
  19. Well duh. by sootman · · Score: 3, Insightful

    Of course the moon is shrinking like an old apple. Someone left it out sitting in the sun.

    --
    Dear Slashdot: next time you want to mess with the site, add a rich-text editor for comments.
  20. Fruit flies like a banana. by blair1q · · Score: 1

    Actually, bananas probably have the worst aerodynamics of any fruit. Good luck finding a stable orientation for one.

  21. Re:In this manner.... by mortonda · · Score: 3, Funny

    Only it's not quite as old....

  22. Coming soon from Disney.... by aristotle-dude · · Score: 1

    "Honey, I shrunk the moon" starting Rick Moranis.

    --
    Jesus was a compassionate social conservative who called individuals to sin no more.
  23. Geologically inactive? by wcrowe · · Score: 1

    As the moon is geologically inactive,.. ...the lunar crust (skin) is wrinkling as the body of the moon (the flesh) shrinks due to cooling contraction inside the moon's core.

    This is "geologically inactive?"

    --
    Proverbs 21:19
  24. It gets old ... by PPH · · Score: 4, Funny

    ... it gets wrinkled.

    Pretty soon, it starts yelling at the kids to stay off its lawn.

    --
    Have gnu, will travel.
  25. Re:In this manner.... by $RANDOMLUSER · · Score: 1

    The moon is just like Larry King.

    Don't be silly. Larry King is many orders of magnitude older.

    --
    No folly is more costly than the folly of intolerant idealism. - Winston Churchill
  26. What Moon? by CohibaVancouver · · Score: 1

    What moon? We all know that almost ten years ago the moon was blown out of its orbit, and it now flies across "deep space", pausing at various dangerous planets and forcing the unfortunate occupants of Moonbase Alpha to have adventures, before continuing on:

    http://www.youtube.com/watch?v=8WZW4groJro

  27. Does this mean that the "Ch" will be smaller? by elrous0 · · Score: 1

    Because I've kind of gotten used to it.

    --
    SJW: Someone who has run out of real oppression, and has to fake it.
  28. Moonpies! by VickiM · · Score: 1

    When they start getting old, all you can really do is make pies with them.

  29. Re:Listening to music by EkriirkE · · Score: 1

    Wrong thread, disregard!

    --
    from 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
    to 45 2F 6E 40 3C DF 10 71 4E 41 DF AA 25 7D 31 3F
  30. nah... by bjk002 · · Score: 1

    IF Rick were involved, I'd imagine him wearing a black helmet and flying around in a huge steamer mop with Mel Brooks, sucking the water vapor from helpless planetoids.

    --
    Opinion:=TMyOpinion.Create(Me);
  31. Global Warming... by DWIM · · Score: 1

    Thanks a lot, Global Warming!

  32. Now this? by pspahn · · Score: 1

    So not only is the moon getting further away from us, it is getting smaller as well. Please, do your part to keep the moon close.

    --
    Someone flopped a steamer in the gene pool.
  33. It's the Alien by phoenixwade · · Score: 1

    In Space, No one can hear you shrink.

    --
    A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort.
  34. Re:Listening to music by arkane1234 · · Score: 1

    What the hell are you talking about...

    --
    -- This space for lease, low setup fee, inquire within!
  35. Because it's a weather balloon by ObitMan · · Score: 2, Funny

    It amazes me that so many allegedly "educated" people have fallen so quickly and so hard for a fraudulent fabrication of such laughable proportions. The very idea that a gigantic ball of rock happens to orbit our planet, showing itself in neat, four-week cycles -- with the same side facing us all the time -- is ludicrous. Furthermore, it is an insult to common sense and a damnable affront to intellectual honesty and integrity. That people actually believe it is evidence that the liberals have wrested the last vestiges of control of our public school system from decent, God-fearing Americans.

    Documentaries such as Enemy of the State have accurately portrayed the elaborate, byzantine network of surveillance satellites that the liberals have sent into space to spy on law-abiding Americans. Equipped with technology developed by Handgun Control, Inc., these satellites have the ability to detect firearms from hundreds of kilometers up. That's right, neighbors .. the next time you're out in the backyard exercising your Second Amendment rights, the liberals will see it! These satellites are sensitive enough to tell the difference between a Colt .45 and a .38 Special! And when they detect you with a firearm, their computers cross-reference the address to figure out your name, and then an enormous database housed at Berkeley is updated with information about you.

    Of course, this all works fine during the day, but what about at night? Even the liberals can't control the rotation of the Earth to prevent nightfall from setting in (only Joshua was able to ask for that particular favor!) That's where the "moon" comes in. Powered by nuclear reactors, the "moon" is nothing more than an enormous balloon, emitting trillions of candlepower of gun-revealing light. Piloted by key members of the liberal community, the "moon" is strategically moved across the country, pointing out those who dare to make use of their God-given rights at night!

    Yes, I know this probably sounds paranoid and preposterous, but consider this. Despite what the revisionist historians tell you, there is no mention of the "moon" anywhere in literature or historical documents -- anywhere -- before 1950. That is when it was initially launched. When President Josef Kennedy, at the State of the Union address, proclaimed "We choose to go to the moon", he may as well have said "We choose to go to the weather balloon." The subsequent faking of a "moon" landing on national TV was the first step in a long history of the erosion of our constitutional rights by leftists in this country. No longer can we hide from our government when the sun goes down.

    --
    Who run Barter Town?
    1. Re:Because it's a weather balloon by net28573 · · Score: 1

      i like to indulge in the subjects of conspiracies every so often and even i dont see the likelyhood of this story... honestly the aliens on the dark side of the moon conspiracy theory sounds more likely. i do understand that your post is a joke but still the whole historical evidence thing kinda killed it imo. i mean the moon was documented in many ways throughout history so... yeah :P -chaos out of structure and structure out of chaos

      --
      RIP TRICERATOPS, YOU NEVER EXISTED
  36. Similar to early theories of Earth geology by penguinchris · · Score: 2, Interesting

    I would like to point out that before tectonics was relatively well understood and accepted (this only happened in the late 1960's), among the various models proposed to explain geological structures on the earth such as mountain belts was this exact idea.

    So personally, as someone interested in the history of the field of geology (and a geologist myself), I think this is really pretty awesome. Whoever came up with this idea before really had a great idea - I can't recall when it was but it was likely mid-late 1800's, so too bad he's not still around to see that his theory was plausible.

    It was understood well before the 1960's that this couldn't explain the earth's structures - it was not a seriously considered theory for very long for several reasons - but at least the idea is sound.

    And to comment on those who are saying that this proves the moon is geologically active, I think this is a pedantic point which depends on how you define "geologically active", and that's the kind of thing that has an obvious simple answer to start with but then gets complex when you have situations like this.

    As a geologist I would still define the moon as being inactive. Active to me would imply influences besides simply gravity (although gravity is of course a major driving force in earth-type tectonics, it's not the only factor). If you subdivide the earth into active and inactive areas, even the inactive areas will occasionally have things like earthquakes happen, due to intra-plate stresses or whatever. But you won't get volcanic activity or major tectonic activity in those areas, just like you won't on the moon.