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Thread: Space the third frontier

  1. #3981
    Mashie Saldana's Avatar
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    I guess we all have been spoilt rotten by the SpaceX launch coverage as the SLS launch was rather pants to watch after 30 seconds into flight.

  2. #3982

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    Quote Originally Posted by Nordstern View Post
    I like those comparisons. One that totally caught me by suprise and goes a long way to show just how huge even our tiny solar system is, is this one:



    Source: https://sciencenotes.org/can-you-fit...arth-and-moon/

  3. #3983
    Keckers's Avatar
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    There's a lot of space in space
    Look, the wages you withheld from the workmen who mowed your fields are crying out against you. The cries of the harvesters have reached the ears of the Lord of Hosts. You have lived on earth in luxury and self-indulgence. You have fattened yourselves for slaughter.

  4. #3984
    NoirAvlaa's Avatar
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    Quote Originally Posted by Keckers View Post
    There's a lot of space in space
    It's also the only place that hasn't been corrupted by capitalism
    Quote Originally Posted by Djan Seriy Anaplian View Post
    Also that didn't sound like abloo bloo to me, PM me and we can agree on a meeting spot and settle this with queensberry rules, that's a serious offer btw. I've been a member of this community since 2005 and i've never met a more toxic individual.

  5. #3985
    Donor Madscotsman's Avatar
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    Quote Originally Posted by NoirAvlaa View Post
    Quote Originally Posted by Keckers View Post
    There's a lot of space in space
    It's also the only place that hasn't been corrupted by capitalism
    ....Yet.

  6. #3986

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    Quote Originally Posted by NoirAvlaa View Post
    Quote Originally Posted by Keckers View Post
    There's a lot of space in space
    It's also the only place that hasn't been corrupted by capitalism

  7. #3987
    Donor Pattern's Avatar
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    Black holes are the very epitome of capitalism tbf.
    Quote Originally Posted by Totally Not Larkonnis View Post
    at least we're not Greece.

  8. #3988

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    So White Holes are communists then?

  9. #3989
    Mashie Saldana's Avatar
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    Quote Originally Posted by Hel OWeen View Post
    So White Holes are communists then?
    No that would be the A-holes.

  10. #3990

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    Which reminded me of the saddest xkcd I've came across so far.


    https://xkcd.com/695/

  11. #3991

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    Quote Originally Posted by Keckers View Post
    There's a lot of space in space
    It's big. Really Big. You just won't believe how vastly hugely mind-bogglingly big it is.
    technology can’t solve economic and political problems

  12. #3992
    Donor Pattern's Avatar
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    Quote Originally Posted by Totally Not Larkonnis View Post
    at least we're not Greece.

  13. #3993
    Movember 2011Movember 2012 Nordstern's Avatar
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    "Holy shit, I ask you to stop being autistic and you debate what autistic is." - spasm
    Quote Originally Posted by Larkonis Trassler View Post
    WTF I hate white people now...
    Johns Hopkins CSSE COVID-19 Dashboard (updated link)

  14. #3994
    Lowa [NSN]'s Avatar
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    Isnt the LOIC supposed to go the other way?
    Quote Originally Posted by Tarminic View Post
    I would create a dragon made out of vaginas. Then I would create a dragon made out of dicks. Then I would have them fight to the death.

  15. #3995

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    oh wow, I knew they'd captured sprites recently, but that one, showing the hole it's punched through the upper atmosphere, is mind-blowing.

  16. #3996
    Jori McKie's Avatar
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    JWST found early galaxy albeit small ones formed only 200m years after the big bang. It's the same time problem as with early super massive black holes, it shouldn't be formed with our current models after such a short time.
    The big bang date is rather good confirmed because of cosmic microwave background so you can't just move the date.
    Does a population have informed consent when that population is not taught the inner workings of its monetary system, and then is drawn, all unknowing, into economic adventures?

  17. #3997

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    Not sure if it belongs here, but it's kinda spacey?!?

    Regardless, I laughed!


  18. #3998

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    Brrrr.....


  19. #3999
    Specially Pegged Donor Overspark's Avatar
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    Quote Originally Posted by Jori McKie View Post
    JWST found early galaxy albeit small ones formed only 200m years after the big bang. It's the same time problem as with early super massive black holes, it shouldn't be formed with our current models after such a short time.
    The big bang date is rather good confirmed because of cosmic microwave background so you can't just move the date.
    It isn't. CMB is one of the mainstream methods to date the universe, but there are competing theories and data that casts some doubt on it. Here's a nice video about it I watched recently:


  20. #4000
    Jori McKie's Avatar
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    Quote Originally Posted by Overspark View Post
    Quote Originally Posted by Jori McKie View Post
    JWST found early galaxy albeit small ones formed only 200m years after the big bang. It's the same time problem as with early super massive black holes, it shouldn't be formed with our current models after such a short time.
    The big bang date is rather good confirmed because of cosmic microwave background so you can't just move the date.
    It isn't. CMB is one of the mainstream methods to date the universe, but there are competing theories and data that casts some doubt on it. Here's a nice video about it I watched recently:

    That's about the expansion rate H0 although you derive the age of the Universe from it for my case it really doesn't matter. If the Universe is 13,81 ± 0,04 (best guess so far) or 13.7 or 13.5 makes no difference for the 2 problems i mentioned, still with our current models of galaxy building and supermassive black holes, they should not exist at this date.

    If i had to bet i would bet on CMB data, without getting into detail but the video described only one problem with measuring Cepheids or SN1a, but there're more problems especially with SN1a. There's a lot of controversy about current calculations of SN1a, one major thing how much metal the progenitor star had and how much impact/difference that would make on a SN1a.


    German Wiki, the english one does not have this.
    Kritik am Standardmodell
    Das Standardmodell für Supernovae vom Typ Ia ist intensiv ausgearbeitet worden. Aber auch 40 Jahre nach dem Vorschlag, diese Supernovae als das Ergebnis einer Zerstörung eines Weißen Zwerges zu begreifen, gibt es noch ungelöste Probleme:[8]

    Das Vorläufersystem kann nicht einfach entartet sein, weil es dafür viel zu wenige superweiche Röntgenquellen gibt. Das doppelt entartete Szenario, das Verschmelzen zweier Weißer Zwerge, kann nicht mit der geringen Polarisation dieser Eruptionen in Einklang gebracht werden.

    Die Supernovarate von 1 bis 2 pro Jahrhundert für die Milchstraße übersteigt die Geburtsrate für Weiße Zwerge nahe der Chandrasekharschen Grenzmasse um mehrere Größenordnungen. Auch ein Massenzuwachs ist unwahrscheinlich, da in kataklysmischen Veränderlichen bei Novaausbrüchen mehr Masse abgeworfen wird als vorher akkretiert wurde. Um die Supernovarate mit dem zweifach entarteten Szenario in Einklang zu bringen, sollte die Akkretionsrate keine 10−12 Sonnenmassen pro Jahr überschreiten, was nicht mit Beobachtungen im Röntgenbereich übereinstimmt.

    Die Gleichmäßigkeit der Supernova Ia, so wichtig für die kosmologische Entfernungsbestimmung, ist für das zweifach entartete Szenario ein nicht lösbares Problem, da die unterschiedlichsten Massen von zwei Weißen Zwergen hierbei verschmelzen.

    Bei dem einfach entarteten Szenario gibt es das Partner-Problem. Der Begleitstern muss bereits seine Wasserstoffhülle verloren haben, damit es nicht zu einem Novaausbruch kommt und die Transferrate muss genau eingestellt sein, um stetige Kernreaktionen auf dem Weißen Zwerg und eine Durchmischung des Weißen Zwergs zu vermeiden. Es ist kein Sternmodell für einen Begleiter bekannt, das diese Anforderungen erfüllt.

    Die Ejektamasse, abgeleitet aus den Supernovaüberresten, streut erheblich. Wenn die Chandrasekhar-Grenzmasse aber eine universelle Konstante ist, wäre dies nur bei einer unvollständigen Verpuffung zu erwarten, was aber wieder nicht mit den Polarisationsmessungen vereinbar ist.
    Last edited by Jori McKie; February 7 2023 at 02:00:28 PM.
    Does a population have informed consent when that population is not taught the inner workings of its monetary system, and then is drawn, all unknowing, into economic adventures?

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