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The week's question
In December 2024, in the thread "Re: BRK: Why Not XOM?", BreckHutHigh asked the members: "What about the long road trips with kids?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Outskirts of Shrewd'm / Science, Technology, Engineering and Mathematics
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Author: onepoorguy ⎊✺🐝  😊 😞
Number: of 311 
Subject: dark energy
Date: 04/08/24 9:22 PM
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We may have it wrong. Of course, dark energy is full of "mays" and speculation.

nytimes.com - Astronomy universe dark energy

Dark energy was assumed to be a constant force in the universe, both currently and throughout cosmic history. But the new data suggest that it may be more changeable, growing stronger or weaker over time, reversing or even fading away.

...

The key words are “might” and “could.” The new finding has about a one-in-400 chance of being a statistical fluke, a degree of uncertainty called three sigma,

...

When the researchers put it all together, they found that the usual assumption — a constant dark energy — didn’t work to describe the expansion of the universe. Galaxies in the three most recent epochs appeared closer than they should have been, suggesting that dark energy could be evolving with time.

Project DESI: desi.lbl.gov: Dark Energy Spectroscopic Instrument (DESI)
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