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Author Topic:   Coffee House Musing
xongsmith
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From: massachusetts US
Joined: 01-01-2009
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Message 55 of 85 (887829)
08-22-2021 10:37 PM
Reply to: Message 53 by LamarkNewAge
08-22-2021 9:13 PM


Re: Dark Energy does not add any extra "space" to Space in a galaxy.
LNA asks again:
essentially whether or not we have actual evidence for expansion of space at the galaxy level ( and lower).

Even one galaxy is too small for our sensors to measure this today. And even a local groups of galaxies, with their bobbing and weaving around, are too small. M31 in Andromeda is on a collision course with our Milky Way and the magnitude of that swamps out any space expansion. You need to go way further out.

Edited by xongsmith, : "on", not "pn"


"I'm the Grim Reaper now, Mitch. Step aside."

- xongsmith, 5.7d


This message is a reply to:
 Message 53 by LamarkNewAge, posted 08-22-2021 9:13 PM LamarkNewAge has responded

Replies to this message:
 Message 58 by LamarkNewAge, posted 08-23-2021 12:55 AM xongsmith has not yet responded

  
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