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23rd November 2011

Photo reblogged from fauna with 98 notes

rhamphotheca: Dark Matter May Be Building Up Inside the Sun (June 2010) by Lisa Grossman The sun could be a net for dark matter, a new study suggests. If dark matter happens to take a certain specific form, it could build up in our nearest star and alter how heat moves inside it in a way that would be observable from Earth. Dark matter is the mysterious stuff that makes up about 83 percent of the matter in the universe, but doesn’t interact with electromagnetic forces. Although the universe contains five times as much dark matter as normal matter, dark matter is completely invisible both to human eyes and every kind of telescope ever devised. Physicists only know it’s there because of its gravitational effect on normal matter. Dark matter keeps galaxies spinning quickly without flying apart and is responsible for much of the large-scale structure in the universe. Current dark matter detectors are looking for WIMPs, or weakly interacting massive particles, that connect only with the weak nuclear force and gravity. Based on the most widely accepted theories, most experiments are tuned to look for a particle that is about 100 times more massive than a proton. The chief suspect is also its own antiparticle: Whenever a WIMP meets another WIMP, they annihilate each other… (read more: Wired Science)   (image: NASA - Solar Dynamics Obervatory)

rhamphotheca:

Dark Matter May Be Building Up Inside the Sun (June 2010)

by Lisa Grossman

The sun could be a net for dark matter, a new study suggests. If dark matter happens to take a certain specific form, it could build up in our nearest star and alter how heat moves inside it in a way that would be observable from Earth.

Dark matter is the mysterious stuff that makes up about 83 percent of the matter in the universe, but doesn’t interact with electromagnetic forces. Although the universe contains five times as much dark matter as normal matter, dark matter is completely invisible both to human eyes and every kind of telescope ever devised. Physicists only know it’s there because of its gravitational effect on normal matter. Dark matter keeps galaxies spinning quickly without flying apart and is responsible for much of the large-scale structure in the universe.

Current dark matter detectors are looking for WIMPs, or weakly interacting massive particles, that connect only with the weak nuclear force and gravity. Based on the most widely accepted theories, most experiments are tuned to look for a particle that is about 100 times more massive than a proton. The chief suspect is also its own antiparticle: Whenever a WIMP meets another WIMP, they annihilate each other…

(read more: Wired Science)   (image: NASA - Solar Dynamics Obervatory)

Tagged: sciencedark matter

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Source: rhamphotheca

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    I JUST LEARNED SOMETHING.
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    Couldn’t this just happen tomorrow
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    Physics blows my mind.
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