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InertialObservr's profile
〈 Berger | Dillon 〉
〈 Berger | Dillon 〉
〈 Berger | Dillon 〉
@InertialObservr

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〈 Berger | Dillon 〉

@InertialObservr

PhD student of Theoretical Particle Physics @UCIrvine l @NSF Fellow l Physics & Math Animations l Patreon: https://www.patreon.com/inertialobserver …

DC → CA
youtube.com/c/InertialObse…
Joined August 2015

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    1. 〈 Berger | Dillon 〉‏ @InertialObservr 8 Dec 2019
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      The Cosmic Microwave Background (CMB) from our perspective The CMB defines the size of our observable universe, stretching ~46.5 billon light years across The Milky Way is .003 times as small as the glowing blue dot at the center, which itself is ~230 million light years acrosspic.twitter.com/f6jzgtBpm5

      17 replies 134 retweets 616 likes
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    2. Rogier Brussee‏ @RogierBrussee 9 Dec 2019
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      Replying to @InertialObservr

      Much as I liked your previous CMB globe, I dislike this one. It suggests that there is a Ptolomeic heavenly sphere. Move a few billion lightyear and you see a similar but different CMB, not ours from a different perspective. There are just directions you can look to.

      1 reply 0 retweets 0 likes
    3. Levi  🧪‏ @SereneBiologist 9 Dec 2019
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      Replying to @RogierBrussee @InertialObservr

      It doesnt really imply that, it's just showing the CMB from the perspective of where it was measured.

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    4. Rogier Brussee‏ @RogierBrussee 9 Dec 2019
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      Replying to @SereneBiologist @InertialObservr

      I know that. Where and when it was measured. And it is just a visual representation. But if you do the Gedankenexperiment of measuring the CMB in a Galaxy far far away, you would get a _different_ CMB imprint, not a perspective change on ours.There wuld be parts invisible to us.

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      〈 Berger | Dillon 〉‏ @InertialObservr 9 Dec 2019
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      Replying to @RogierBrussee @SereneBiologist

      i see what you're saying. Unless i had the actual CMB data implementing that would be really difficult

      11:06 AM - 9 Dec 2019
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        2. Rogier Brussee‏ @RogierBrussee 9 Dec 2019
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          Replying to @emil_arab @InertialObservr @SereneBiologist

          You have to make a distinction between the universe (independent of us), and the observable universe the part of the universe from which light could reach us (depends on us being coincidentally here and now): Our CMB is what _we_ can see of "surface (3D really) of last scatter"

          0 replies 0 retweets 0 likes
        3. End of conversation
        1. Rogier Brussee‏ @RogierBrussee 9 Dec 2019
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          Replying to @InertialObservr @SereneBiologist

          Obviously that otherworldly CMB data is a bit hard to get 😀. But you can just visualise that in every direction you look there is CMB "visible". It would make a fine virtual reality thing (for extra bonus superimpose the night sky)

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