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-- galaxy crash proves dark matter existence?

galaxy crash proves dark matter existence?

yeah, i know i posted this in the PDD, but science at the quantum level just makes me hard in the trousers (mainly coz i dont get it but it sounds cool)

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A HUGE collision between two clusters of galaxies has provided the first direct evidence of the existence of the universe's mysterious dark matter, US researchers say. "This is the most energetic cosmic event, besides the Big Bang, which we know about," said Maxim Markevitch of the Harvard-Smithsonian Centre for Astrophysics in Cambridge, Massachusetts. The impact forced apart dark and normal matter, offering the strongest evidence yet that most of the matter in the universe is dark, researchers said. "We've come closer than ever to seeing this invisible matter," University of Arizona researcher Doug Clowe, a leader of the study, said in a statement. "This provides the first direct proof that dark matter must exist and must make up the majority of the matter in the universe," Mr Clowe said. Scientists realised decades ago that galaxies rotated much faster than their mass should allow, giving rise to the idea that invisible dark matter keeps them from flying apart. The new evidence of dark matter's existence was discovered with NASA's Chandra X-ray Observatory, the Hubble Space Telescope, the European Southern Observatory's Very Large Telescope and the Magellan optical telescopes, researchers said.

link

gaylord.

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Originally posted by pkcRAISTLIN but science just makes me hard in the trousers (

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Originally posted by Paulie gaylord.

Sounds about right.

very interesting, have you been watching the show on SBS monday nights at 8:30 called "The Elegant Universe" about String Theory PKC?"

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Originally posted by tathi very interesting, have you been watching the show on SBS monday nights at 8:30 called \"The Elegant Universe\" about String Theory PKC?\"

pretty sure ive seen that one already, but will tune in next week, cheers.

tho, its not on at the same time as 'deconstructing paulie: an investigation into morbid cretinism' is it? coz next week has an episode on parading ignorance that i just dont wanna miss

Seriously you have issues.

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Originally posted by Paulie Seriously you have issues.

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Originally posted by pkcRAISTLIN pretty sure ive seen that one already, but will tune in next week, cheers. tho, its not on at the same time as 'deconstructing paulie: an investigation into morbid cretinism' is it? coz next week has an episode on parading ignorance that i just dont wanna miss

is that the one that shows Paulie on A Current Affair explaining why he thinks John Howard is such a benevolent and honest leader?

Ill give you that

quote:

Originally posted by tathi very interesting, have you been watching the show on SBS monday nights at 8:30 called "The Elegant Universe" about String Theory PKC?"

i watched that this week, was alright, thought the whole thing on gravity was a bit bs tho, i dont see how gravity could be called a "weak" force or how it could be compared to electromagnetic force
but im no expert on the subject, so no doubt im wrong

if anyone could offer any clarity on the subject, would be much appreciated

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Originally posted by DJ_Ballistic i watched that this week, was alright, thought the whole thing on gravity was a bit bs tho, i dont see how gravity could be called a "weak" force or how it could be compared to electromagnetic force but im no expert on the subject, so no doubt im wrong if anyone could offer any clarity on the subject, would be much appreciated

I didn't see it, but it's fairly easy to prove.

If you put a nail on a table, it's being held down by the gravitational force of the entire Earth. If you then hold a magnet above the nail, the nail will be attracted upwards - against the gravity of the Earth - towards the magnet. This demonstrates that - at close distances, at least - the magnetic force of a small magnet is actually more powerful than the gravitational force of an entire planet.

but that just proves earths gravity is weak

not gravity as a whole

i think teflon teapot does stuff like this..
pretty cool stuff
i recommend everyone do a first year astronomy subject at uni, if for no other reason than to look at the pretty pictures

thats a pretty cool little factoid.

I love dark matter, it makes star wars so much more real.

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Originally posted by Philby i recommend everyone do a first year astronomy subject at uni, if for no other reason than to look at the pretty pictures

i've infact been wanting to study astronomy (apart from as a hobby) since i was about 12, but looking at the course at melb uni im not so sure its what i want...im going for meteorology instead

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Originally posted by Dj_Es-Dva i've infact been wanting to study astronomy (apart from as a hobby) since i was about 12, but looking at the course at melb uni im not so sure its what i want...im going for meteorology instead

then come to monash instead
can you just do the basic first year subject as an elective? its pretty fun

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Originally posted by Philby then come to monash instead can you just do the basic first year subject as an elective? its pretty fun

still considering it, i think my enter score is going to suck though

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