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(visit the link for the full news article)
Ten years ago, scientists predicted that about half of the missing ‘ordinary’ or normal matter made of atoms exists in the form of low-density gas, filling vast spaces between galaxies.
All the matter in the universe is distributed in a web-like structure. At dense nodes of the cosmic web are clusters of galaxies, the largest objects in the universe. Astronomers suspected that the low-density gas permeates the filaments of the web.
The low density of the gas hampered many attempts to detect it in the past. With XMM-Newton’s high sensitivity, astronomers have discovered its hottest parts. The discovery will help them understand the evolution of the cosmic web.
Only about 5% of our universe is made of normal matter as we know it, consisting of protons and neutrons, or baryons, which along with electrons, form the building blocks of ordinary matter. The rest of our universe is composed of elusive dark matter (23%) and dark energy (72%).
Originally posted by grover
Interesting. Now what? Does this change things in physics?
www.sciencedaily.com
(visit the link for the full news article)
Originally posted by GrooveCat
Would this mean that space isn't a total vacuum? Would have implications for space travel I'm sure!
Originally posted by TeslaandLyne
reply to post by borek
If gravity disappears with high ionization, what would you think then.
Travel along the 'dark matter' web would then be possible.
Originally posted by Now_Then
Originally posted by GrooveCat
Would this mean that space isn't a total vacuum? Would have implications for space travel I'm sure!
Space has never really been considered a 'total' vacuum as far as I know.
Originally posted by Ionized
First of all, this wasn't proposed 'ten years ago', it was proposed in the late 1800s and early 1900s by Birkeland among others.
Ten years ago, scientists predicted that about half of the missing ‘ordinary’ or normal matter made of atoms exists in the form of low-density gas, filling vast spaces between galaxies.
I don't know, are you saying a theory where gravity disappears with high ionization also explains quantitatively the discovery listed in the OP post? What I do know is what I said: the discovery supports the most accepted theories about gravity, dark matter and the universe large scale strucutre formation.
Originally posted by Spartannic
hey y'all
uhhhmm , is it me who's a dumbass or could the Dark Matter be all the things who arent seen by us (things who don't reflect any light or only a small amount) things like moons, space debris and any other thing we can't see with our HST . It seems pretty obvious to me that if we cant even get a glimps of Pluto then why would we be possible to see anything lightyears away from us.
just my 0.01 eurocents on it