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New York, 10:20 AM
Mon Nov 30
20 posts in the last 24 hours

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  • posts about #blackhole more →

    Table-Top Black Hole Can Absorb Light

    The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits

    LHC Webcams Depict Horrifyingly Singular Moment

    Scientists Make Black Hole in Fiber Optic Cable: World Doesn't End
  • Your version of Internet Explorer is not supported. Please upgrade to the most recent version in order to view comments.
    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of Voyou_Charmant Voyou_Charmant
    10/15/09

    In reply to Table-Top Black Hole Can Absorb Light
    That board game looks so boring. #tabletopblackhole
     Reply
    Voyou_Charmant was starred Voyou_Charmant was unstarred
    Image of Pope John Peeps II Pope John Peeps II
    10/15/09

    @Voyou_Charmant: "You will never escape from.... 'The Island That Is Slightly Shadier In The Middle Than On The Edges!' Mwaaahahaha.

    From Milton Brothers." #tabletopblackhole
     Reply
    Pope John Peeps II was starred Pope John Peeps II was unstarred
    Image of SigmundTheSeaMonster SigmundTheSeaMonster
    10/15/09

    In reply to Table-Top Black Hole Can Absorb Light
    They created a mediocre Disney movie? #tabletopblackhole
     Reply
    SigmundTheSeaMonster was starred SigmundTheSeaMonster was unstarred
    Image of Geisrud Geisrud
    10/15/09

    @SigmundTheSeaMonster (say no to Facebook): Aren't they all? #tabletopblackhole
     Reply
    Geisrud was starred Geisrud was unstarred
    Image of psychonaut2021:That's Mr Psychonaut to you! psychonaut2021:That's Mr Psychonaut to you!
    10/15/09

    In reply to Table-Top Black Hole Can Absorb Light
    This should be called a "darkhole" if anything, rather than a blackhole. Also, the people who call it a "blackhole" shall be labeled as "assholes" from now on.

    The great Psychonaut has spoken. All things extant in this world, Gods of Heaven Gods of Earth, let everything be as it should be. So mote it be.
     Reply
    psychonaut2021:That's Mr Psychonaut to you! was starred psychonaut2021:That's Mr Psychonaut to you! was unstarred
    Image of alteran1 alteran1
    10/15/09

    @psychonaut2021: Agreed, calling this device a black hole isn't just highly disingenuous, it's utterly wrong.

    This device simply traps light, and by means of its design, disallows the electromagnetic wave from being released, forcing it to be converted directly into heat energy once it reaches the center. #tabletopblackhole
     Reply
    psychonaut2021:Where did my star go? promoted this comment alteran1 was starred alteran1 was unstarred
    Image of psychonaut2021:That's Mr Psychonaut to you! psychonaut2021:That's Mr Psychonaut to you!
    10/15/09

    @alteran1: I couldn't have said it better myself. Also, cool icon! Dr Who fits in quite well in this post. #tabletopblackhole
     Reply
    psychonaut2021:That's Mr Psychonaut to you! was starred psychonaut2021:That's Mr Psychonaut to you! was unstarred
    Image of STiger STiger
    10/15/09

    @psychonaut2021: Jesus is THE man!: ...Magical Shopping Arcade Abenobashi...? #tabletopblackhole
     Reply
    psychonaut2021:Jesus is THE man! promoted this comment STiger was starred STiger was unstarred
    Image of psychonaut2021:That's Mr Psychonaut to you! psychonaut2021:That's Mr Psychonaut to you!
    10/15/09

    @STiger: Take a closer look at my avatar :) Good stuff. #tabletopblackhole
     Reply
    psychonaut2021:That's Mr Psychonaut to you! was starred psychonaut2021:That's Mr Psychonaut to you! was unstarred
    Image of skipjack000 skipjack000
    10/15/09

    In reply to Table-Top Black Hole Can Absorb Light
    Even if it was a real black hole, it would not necessarily mean the end of the world as some think. A black hole is after all made from atoms. They are just very compressed. A black hole made from 2 (e.g.) hydrogen atmos, would still only weigh as much as two hydrogen atoms and have the same gravitational pull as those two atoms have.
    If it was one gram of hydrogen, the black hole would "weigh" one gram and it would "have the same gravity". It would just be in a very small spot. Which is good, because it means that it would probably never get to "eat" anything ;).
    Now that does not sound that scary anymore after all, does it?
    Also, small black holes tend to evaporate really quickly.
     Reply
    TheLostVikings R.O.A.C.H. approved this comment skipjack000 was starred skipjack000 was unstarred
    Image of Mr. Damage Mr. Damage
    10/15/09

    In reply to Table-Top Black Hole Can Absorb Light
    It's a trap, not a black hole in the classical sense (since gravity is not involved in any way).

    If it were a real black hole with gravity so strong that it sucks up everything, we wouldn't be having this conversation. Unless the black holes don't work that way... Or something.
     Reply
    Barry99705 promoted this comment Mr. Damage was starred Mr. Damage was unstarred
    Image of Barry99705 Barry99705
    10/15/09

    @Mr. Damage: If the sun were to turn into a black hole today, skipping that whole blowing off the outer part bit, the only difference we'd see from here is it would get dark really quick. It wouldn't suck in the solar system, it wouldn't even suck in Mercury.
     Reply
    Barry99705 was starred Barry99705 was unstarred
    Image of Mr. Damage Mr. Damage
    10/15/09

    @Barry99705: Not right away. Still, if you're not sucked in right away, there's other issues.

    But to point at hand, this isn't black hole since gravity ain't involved. #tabletopblackhole
     Reply
    Mr. Damage was starred Mr. Damage was unstarred
    Image of mms1648 mms1648
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    I don't know...looks like a photoshop black hole if I ever saw one. I mean look at those pixels! I could have made that in 5 minutes and called it Heaven.
     Reply
    Identity: Omg! Nessie! promoted this comment mms1648 was starred mms1648 was unstarred
    Image of FritzLaurel FritzLaurel
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    I love the scale at the bottom that just says 4". So, what, this whole thing is only 4 inches across??
     Reply
    FritzLaurel was starred FritzLaurel was unstarred
    Image of jamjen jamjen
    09/02/09

    @FritzLaurel: 4 arc seconds, not 4 inches.
     Reply
    spannu promoted this comment jamjen was starred jamjen was unstarred
    Image of Lite: hates Illinois Nazis Lite: hates Illinois Nazis
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    The mass of a billion sons?

    I didn't know God had sent out that many of his children.
     Reply
    Lite: hates Illinois Nazis was starred Lite: hates Illinois Nazis was unstarred
    Image of norfizzle norfizzle
    09/02/09

    @Lite: killed Dumbledore: aren't we all God's children?
     Reply
    Geisrud promoted this comment norfizzle was starred norfizzle was unstarred
    Image of Geisrud Geisrud
    09/03/09

    @norfizzle: ooh, can we start a religious debate now?! I love those. I'll go first...

    Ahem..."Aren't we all God's children"? I say no, because there is no God.
     Reply
    Geisrud was starred Geisrud was unstarred
    Image of dinsey dinsey
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    Um, it's a picture of a galaxy with millions or billions of stars. Regardless of how massive the black hole at the center may be, it's a speck compared to the size of a galaxy. The bright spot at the center is just made of stars, not the black hole at the center.
     Reply
    dinsey was starred dinsey was unstarred
    Image of Ian Grams Ian Grams
    09/02/09


    @dinsey: if you read the link it actually says that 40% of the light was from the host galaxy, and the rest from the ionized gas around the black hole. A roughly 5 x 5 pixel chunk of that blob of pixels is from the black hole. they show that in the second figure. if its a speck, its a very large speck.
     Reply
    spannu promoted this comment Ian Grams was starred Ian Grams was unstarred
    Image of G.O.B.: Come on! G.O.B.: Come on!
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    Is it "love" that makes a Subaru telescope a Subaru telescope? If so, can I get it in neon green with NOS decals all over the place?
     Reply
    G.O.B.: Come on! was starred G.O.B.: Come on! was unstarred
    Image of ELPARTO ELPARTO
    09/02/09

    @G.O.B.: Come on!:

    No...Subaru's only come in deep blue...with gold rims. You will have to love it anyway.
     Reply
    G.O.B.: Come on! promoted this comment Edited by ELPARTO at 09/02/09 6:24 PM ELPARTO was starred ELPARTO was unstarred
    Image of G.O.B.: Come on! G.O.B.: Come on!
    09/02/09

    @mr_sidepart: Well, as long as the gold rims are spinnaz, I guess I'll take it.

    @Jux: Win.
     Reply
    G.O.B.: Come on! was starred G.O.B.: Come on! was unstarred
    Image of Eriamjh Eriamjh
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    If it is a black hole, why can we see it?
     Reply
    Hiphopopotamus promoted this comment Eriamjh was starred Eriamjh was unstarred
    Image of Hiphopopotamus Hiphopopotamus
    09/02/09

    @Eriamjh: It is a false-color image. From the link: "Figure 1: False-color image of the QSO (CFHQSJ2329-0301), the most distant black hole currently known. In addition to the bright central black hole (white), the image shows the surrounding host galaxy (red). "
     Reply
    Edited by Hiphopopotamus at 09/02/09 6:02 PM Hiphopopotamus was starred Hiphopopotamus was unstarred
    Image of Pope John Peeps II Pope John Peeps II
    09/02/09

    @Eriamjh: Oh god, that's the funniest post ever.
     Reply
    Pope John Peeps II was starred Pope John Peeps II was unstarred
    Image of anexanhume anexanhume
    09/02/09

    @Eriamjh: We don't see the black hole, we observe how the light is bent by the black hole's extreme gravity. Certain deformations of light path can only point to something so massive, it must be a black hole.
     Reply
    anexanhume was starred anexanhume was unstarred
    Image of fughedaboudit fughedaboudit
    09/02/09

    @anexanhume: You can detect a black hole by bent light, but usually they're detected by the massive amount of energy released by matter as it is pulled into the black hole.

    Google the phrase "accretion disk".
     Reply
    skierpage promoted this comment Jesus Diaz approved this comment fughedaboudit was starred fughedaboudit was unstarred
    Image of skierpage skierpage
    09/02/09

    @fughedaboudit:
    Commander Data: There appears to be an accretion disk surrounding your black hole.
    Chief Engineer Geordi LaForge: Data, seeing Uranus put me in this stupid VISOR!
     Reply
    skierpage was starred skierpage was unstarred
    Image of Identity (Metric) Identity (Metric)
    09/03/09

    @Eriamjh: Because we have telescopes.
     Reply
    Edited by Identity (Metric) at 09/03/09 4:53 AM Identity (Metric) was starred Identity (Metric) was unstarred
    Image of Hiphopopotamus Hiphopopotamus
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    Does that label mean something different in astronomy-ese or is the superdense center of our galaxy really only 4" in diameter?
     Reply
    Hiphopopotamus was starred Hiphopopotamus was unstarred
    Image of kamkazemoose kamkazemoose
    09/02/09

    @Hiphopopotamus: It is probably refering to arcseconds, which is a measure of degree, sort of like a radian. You can convert arcseconds with the distance to find out about how wide it is, is you also have how far away the object is, using a bit of basic trigonometry.

    Edit: so i did the math, and im pretty sure i did it right, though it has been a little while, anyways, you convert 4" to degrees, so you divide 4 by 3600, as there are 3600 arcseconds in every degree, and get .00111. Then take tan(.0011)=width/distance our distance is 12.8 billion lightyears. so 12.8*tan(.0011)=width= 2.48 * 10^5 ly, or about 248 thousand lightyears wide, so a bit larger than 4inches
     Reply
    Edited by Jesus Diaz at 09/02/09 7:11 PM Jesus Diaz approved this comment kamkazemoose was starred kamkazemoose was unstarred
    Image of Hiphopopotamus Hiphopopotamus
    09/02/09

    @kamkazemoose: Now convert it to metric!!!
     Reply
    Hiphopopotamus was starred Hiphopopotamus was unstarred
    Image of Identity (Metric) Identity (Metric)
    09/03/09

    @Hiphopopotamus: 42?
     Reply
    Identity (Metric) was starred Identity (Metric) was unstarred
    Image of gunluva is prepared to drop. gunluva is prepared to drop.
    09/02/09

    In reply to The Most Distant, Oldest Black Hole In the Universe Still Runs in 8-Bits
    Last picture is amazing.
     Reply
    gunluva is prepared to drop. was starred gunluva is prepared to drop. was unstarred
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