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The strongest evidence for a Universe before the Big Bang (bigthink.com)

submitted 2 years ago by btaf45@lemmy.world to c/astronomy@mander.xyz

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[–] solrize@lemmy.world 0 points 2 years ago* (last edited 2 years ago) (6 children)

Was the bigthink article written by a chat bot? It is long and doesn't seem to say much. I didn't notice any mention of BICEP2 which would seem relevant to this type of article. But I didn't manage to do more than skim after the first few paragraphs.

[–] Gloomy@mander.xyz 1 points 2 years ago (1 children)

Isn't it talking about it here?

As light travels through the Universe, it interacts with the matter within it, and with electrons in particular. (Remember, light is an electromagnetic wave!) If the light is polarized in a radially-symmetric fashion, that’s an example of an E-mode (electric) polarization; if the light is polarized in either a clockwise or counterclockwise fashion, that’s an example of a B-mode (magnetic) polarization. Detecting polarization, on its own, isn’t enough to show the existence of super-horizon fluctuations, however.

Also, it is long, yes, but it doesn't repeat itself like most Ai written articles. I'd say the author is just taking their time to spell the concept our in detail. Could have been said quicker and more efficient, I'll agree on that tough.

[–] solrize@lemmy.world 0 points 2 years ago (1 children)

It does repeat stuff which is what triggered me. BICEP2 was a satellite experiment that for a while seemed to have detected an effect predicted by a similar theory advanced by Penrose, https://en.m.wikipedia.org/wiki/Conformal_cyclic_cosmology

[–] btaf45@lemmy.world 1 points 2 years ago

CCC has been firmly rejected by the author Ethan Siegal. Ironically the title of this article seems to contradict his posted article. There is no actual contradiction though. Siegal rejects CCC and says that cosmic inflation is now the mainstream theory.

https://bigthink.com/starts-with-a-bang/no-universe-before-big-bang/

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