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Thread: The thick disk of the MW

  1. #1
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    Default The thick disk of the MW



    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED, Orion ED80T, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion 10" f4.7, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s, Edmund Orthoscopics, Baader Hyperions. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Orion Atlas, Losmandy G11

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    Default Re: The thick disk of the MW

    It appears that we are near the center of the thick disk with lots of stuff above and below us - More bad news for the flat earthers.
    Scopes: 28" f/3.8 self built Dob, 8" Skywatcher f/4 Newt, iOptron 115mm f/8 Newt, Nova 9.5" RC, Celestron 5" f/6 FAST SCT, 6" f/15 Jaegers achro, Celestron Nexstar 102mm achro.
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    Default Re: The thick disk of the MW

    Quote Originally Posted by Trombatissimo View Post
    It appears that we are near the center of the thick disk with lots of stuff above and below us - More bad news for the flat earthers.
    But but..........it is a flat disk lol
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  5. #4
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    Default Re: The thick disk of the MW

    Quote Originally Posted by Trombatissimo View Post
    It appears that we are near the center of the thick disk with lots of stuff above and below us - More bad news for the flat earthers.
    Quote Originally Posted by MG1692 View Post
    But but..........it is a flat disk lol
    Well we know that the flat earthers have their disk sunny side up. But what's on the other side? Turtles?
    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED, Orion ED80T, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion 10" f4.7, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s, Edmund Orthoscopics, Baader Hyperions. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Orion Atlas, Losmandy G11

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    Default Re: The thick disk of the MW

    Doesn't the whole shebang, (Solar System), bob up and down like a carousel horse? So at any given time the density of the stars above and below is changing as we move through the plane of the disk, no?

    **edit** Also, this study only looked at giant stars... Smaller stars may not have the same dispersion of metallicity as seen in the giants.... They live a lot longer and have more time to move about...
    Jim
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  7. #6
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    Default Re: The thick disk of the MW

    Quote Originally Posted by jimminCT View Post
    Doesn't the whole shebang, (Solar System), bob up and down like a carousel horse? So at any given time the density of the stars above and below is changing as we move through the plane of the disk, no?
    Yes. The stars of the thick and the thin disk bob up and down as they must, gravity and all.
    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED, Orion ED80T, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion 10" f4.7, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s, Edmund Orthoscopics, Baader Hyperions. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Orion Atlas, Losmandy G11

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    Default Re: The thick disk of the MW

    Quote Originally Posted by not_Fritz_Argelander View Post
    Well we know that the flat earthers have their disk sunny side up. But what's on the other side? Turtles?
    I like Turtles!



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  9. #8
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    Default Re: The thick disk of the MW

    Quote Originally Posted by jimminCT View Post
    **edit** Also, this study only looked at giant stars... Smaller stars may not have the same dispersion of metallicity as seen in the giants.... They live a lot longer and have more time to move about...
    Giant stars have the advantage that you can see them at a greater distance. Also stars that are born at the same time would be expected to have very similar metallicity, that's what we see from situations where we can see smaller and giant stars of similar age. The stars of equal age have similar ability to move around. So only studying giants isn't expected to be a problem.
    jimminCT and kanadalainen like this.
    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED, Orion ED80T, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion 10" f4.7, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s, Edmund Orthoscopics, Baader Hyperions. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Orion Atlas, Losmandy G11

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    Default Re: The thick disk of the MW

    Quote Originally Posted by not_Fritz_Argelander View Post
    Well we know that the flat earthers have their disk sunny side up. But what's on the other side? Turtles?
    Yes. And a couple of pachyderms for good measure (in the virtual universe of Terry Prachett).

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