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re: Hubble data: Universe "weirdly" expanding faster than expected.
Posted on 5/20/22 at 10:33 pm to UndercoverBryologist
Posted on 5/20/22 at 10:33 pm to UndercoverBryologist
quote:
The universe is destined to being a diffuse particle cloud.
Not necessarily. Earth isn't expanding. The solar system isn't expanding. The Milky Way isn't expanding. On the other end, atoms aren't expanding.
Intergalactic space is different from space affected by gravitational wells.
3
Posted on 5/20/22 at 10:37 pm to Bestbank Tiger
quote:
Not necessarily. Earth isn't expanding. The solar system isn't expanding. The Milky Way isn't expanding. On the other end, atoms aren't expanding.
Intergalactic space is different from space affected by gravitational wells.
If the cosmological constant in the Einstein Field Equations is sufficiently large, the expansion could eventually overcome the gravity and the strong/weak nuclear forces...literally tearing matter apart.
Posted on 5/20/22 at 11:34 pm to Bestbank Tiger
quote:You sure about that?
Not necessarily. Earth isn't expanding. The solar system isn't expanding. The Milky Way isn't expanding. On the other end, atoms aren't expanding.
Intergalactic space is different from space affected by gravitational wells.
Isn't our understanding of gravity that it is a curve in space itself? How do you know how gravity will behave as space continues to expand? What happens when the space inside an atom today becomes as large as the milky way? Will matter "work"? Does this even make sense?
Posted on 5/21/22 at 5:12 am to Bestbank Tiger
quote:
Earth isn't expanding
The sun will expand and vaporize the Earth.
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