|undead||Date: Tuesday, 09-October-2012, 10:38 AM | Message # 1|
The universe is expanding – fast. Researchers had a pretty good idea how fast, but now, they measured in even greater detail: it is expanding at a rate of 74.3 plus or minus 2.1 kilometers (46.2 plus or minus 1.3 miles) per second per megaparsec (a megaparsec being about 3 million light-years). Hard to wrap your head around it? Don’t worry, I’m gonna go explain how it all works, in layman terms.
Read more/Full article/source - http://www.zmescience.com/space/universe-expansion-speed-04102012/