Dark matter may be older than the Big Bang
submitted 4 years ago by Optimus85 from (earthmysterynews.com)
[–][deleted] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 0 fun3 insightful - 1 fun - 4 years ago (0 children)
That headline is super click-bait, since the article itself says dark matter may have popped up right after expansion began. That's the very definition happening after the Big Bang, which is when the original one-dimensional singularity, that contained and was the entire universe, created space and expanded. Space is still being created and expansion continues. So, dark matter can't be older than the Big Bank, since it didn't exist beforehand.
[–]Tom_Bombadil 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 0 fun3 insightful - 1 fun - 4 years ago (2 children)
Some thoughts:
Historically, this is the type of evidence that would be cited to disprove a theory like the big bang.
Preexisting material would (by definition) nullify the big bang hypothesis.
It's much more likely that the models/assumptions are wrong.
It's surprising that they claim to estimate the age of a theoretical material that cannot be seen, or directly measured.
[–]Optimus85[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 4 years ago (0 children)
I think the way scientists use the concept of dark matter to explain things that we cannot indeed observe the mechanics of(like gravity, the expansion of the Universe) is akin to Aristotle's notion of aether:
We call the substance of the heaven and stars “aether,” not as some do, because it burns (aithesthai), being fire-like, although they are wrong about this ability, which is confused for fire’s, but because it is always moving (aei thein), being carried in a circular motion, being an element different than the four, unmixed and divine. (Aristotle, On the Cosmos)
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[–]Tom_Bombadil 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 0 fun3 insightful - 1 fun - (2 children)
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