Astronomy has to be one the most humbling of all subjects to study. Just the thought of our universe, being like a grain of sand in a sandy shore of universes, is enough to make me want to crawl back under the sheets. Everything just seems so immense, andbeyond comprehension. Where does it end? Is it possible to get to the end of space? Astronomy tries to come up those answers. Like any science, Astronomy asks far more questions then it can answer. But, that's part of what makes it so fascinating. Ever since the first adventurer wondered what was beyond the nexthorizon, humans have been trying to expand their boundaries. Astronomy is carrying on that fine tradition. It's a pretty big horizon, and maybe one that doesn't end? Who knows, only astronomers of the future will be able to answer that question.
Astronomy Begins At Home
We don't have to go that far with astronomy, to be truly fascinated. Our own friendly sun has some pretty interesting things going on. Did you know, that the sun moves at a rate of 12 miles per second. That's 720 miles per minute, or 43,200 miles per hour. Good thing it's got a big gas tank huh? And it's moving towards the constellation Hercules. Better get out of the way Herc! Another interesting astronomy tidbit here. I bet you thought the sun was about the hottest thing around. Well, not even close. The surface of the sun is hot, at about 10,000 degreesfarenheit . But, there is something here on earth that is 3 times hotter. Care to guess? Some people have even been touched by it, and lived to tell the story. Lightening is 30,000 degreesfarenheit . Cool huh? One more startling sun fact. There are 92 natural elements on earth. You remember that periodic table of elements from high school science, those elements. Well, two thirds of those elements have been identified in the sun. Not sure who checked, but they are there. And, scientists believe that the other third are most likely in the sun as well. Hard to believe our home planet full of water could be so closely related to that big fiery ball of gas. Astronomy spins a pretty fascinating tale.
Astronomy.com - Sky-event alert: Saturn rules the night::
edge-on, will be a real opportunity for amateur astronomers to Astronomy.coms interactive star chart, StarDome, displays an accurate map of your sky.
http://www.astronomy.com/asy/default.aspx?c=a&id=7992HOME |
Astronomy for Families::
can help homeschooling families teach a unit in astronomy. that star map, anyway? Star Power The real reason we celebrate Christmas isnt a story,
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