• 2 Posts
  • 72 Comments
Joined 1 year ago
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Cake day: December 19th, 2023

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  • I think you’re being downvoted or ignored by most because the way you’ve formatted your post is strikingly similar to the way some bots spam ads for their malicious services. Glancing at your post history it’s clear to me that you just want to actually watch the fight.

    As far as that goes, afaik it’s notoriously difficult to find streams things like fights and sportsballs as they happen, but I know for a fact you’re not the only pirate looking for things like that, so I’d try to find a sports dedicated network and see if the fight gets uploaded within a day or so. Hopefully someone with specific knowledge to your question comes along, maybe there’s a stream?

    Good luck.













  • Gravitational attraction is not a relevant factor on the largest scales where dark energy takes over. To be more precise, it’s possible to measure the effects, and to describe a specific distance limit between two bodies where they can no longer become gravitationally bound and are doomed to eventually expand out of each others’ event horizons. That limit is the precise boundary between gravitational dominance and DE dominance.

    To be specific, literally everything outside of the Virgo Supercluster (home to Andromeda and Milky Way among others) is outside of this limit, and will eventually become impossible to detect because the light between us and them isn’t moving as fast as the rate of expansion between us and them. Everything within the supercluster is gravitationally bound, and will eventually (iirc, grain of salt on this one) form a supergalaxy.


  • Inflation is supposed to explain this: It could provide the initial impulse to kickstart the velocities. I think the general idea is that the fact that everything is moving away from each other to begin with is explained by inflation, and the fact that this expansion is accelerating is explained by dark energy. Take all this with a grain of salt, here we approach the limits of my tenuous understanding, but what I do understand is that none of this is experimentally verified: No “inflaton” has been found, or any other mechanism to otherwise explain inflation theory has ever been produced such that we could test it, and no working model of dark energy has ever been produced (to my limited knowledge) that we could test or detect.

    Tl;dr: I’m pretty sure it’s untestable anyway, we basically will never know during our lifetime short of some breakthrough in physics.


  • We’d see that in the redshift: one direction would be more redshifted than another. Instead, we see all points in space moving away from all other points (except points mutually within gravitationally bound systems), and the rate of expansion between two points (recessional velocity) is directly proportional to the distance between them: the more distance, the faster they expand.

    Edit: To answer the question in the title: Strictly, we don’t. We know, as you pointed out, that our measurements don’t agree. We also have good evidence that the rate of expansion was different in the past (much, much faster) in the early universe.