Dark Matter VS Dark Energy Difference (Earth, light, Sun, universe)
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While i love the biological sciences (anything to do with human cells) i admit that physics is a weak point for me in science. So for you experts out there that know this stuff what is ''dark energy'' and/or ''dark matter'' or are they the same??
While i love the biological sciences (anything to do with human cells) i admit that physics is a weak point for me in science. So for you experts out there that know this stuff what is ''dark energy'' and/or ''dark matter'' or are they the same??
It's interesting to me to ponder theoretical things like dark matter and dark energy. It makes me realize how much about the universe we really have no clue about. I find it intriguing that the only reason we think it exists is that it makes the math of the universe work out correctly....
Thanks for all the links Brian as that helped but it's still a mystery.
I was watching a show on the Nat Geo channel about the speed of light and what i didn't realise is that although it's the fastest source in the universe.....it's actually kinda slow as for example it takes light traveling at light speed 8 minutes leaving from the sun to reach the earth. I guess unless we can bend space or find wormholes we'll never reach any starts or galaxy clusters etc...
According to this article (expand template at upper right) the universe is a minimum of 93 billion light years in size. I'm sure that takes into account, expansion.
BTW, I've recently been reading a science fiction trilogy called The Inheritance Trilogy that incorporates a lot of futuristic ( as well as fantastic) ideas about travel and communication. Author is Ian Douglas. I'm looking for the third book, which will be released in May. Probably it'll be hardback at first, which I hardly ever read.
Isn't dark matter little more than as-yet unidentified particles or particles with non-zero mass (i.e., neutrinos)? From how I understand it, it's really not all that remarkable.
If it is enough to stretch spacetime, it might be significant.
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