cosmology that a fifth grader can understand
207515
Physical cosmology is the branch of physics and astrophysics that deals with the study of the physical origins of the Universe (the Cosmos) and the nature of the Universe on its very largest scales.
15669
No one knows.  There are theories.\n\nI find the articles in Scientific American to be fascinating reads on the theories and models that physists and cosmologists are developing.  Check out your local library and read, read, read.\n\nIn particular, this article seems to offer information on the latest thinking regarding the state of before the "Big Bang":\n\nThe Myth of the Beginning of Time, May 2004\nhttp://www.sciamdigital.com/browse.cfm?sequencenameCHAR=item2&methodnameCHAR=resource_getitembrowse&interfacenameCHAR=browse.cfm&ISSUEID_CHAR=CB826BAE-2B35-221B-6E2587F29CF2C88A&ARTICLEID_CHAR=CB9AD5CD-2B35-221B-6E241183ECE7749E&sc=I100322\n\nThe other really interesting one is:\n\nMisconceptions about the Big Bang, March 2005\nhttp://www.sciam.com/article.cfm?articleID=0009F0CA-C523-1213-852383414B7F0147&sc=I100322\n\n\nThe universe is too wonderous a thing to limit your thinking about it.
264773
http://www.zetatalk.com/\nre \nhow all the planets work and the earth changes now in place and the science there of \nOahspe\nRe how all the heavens where formed\nhttp://www.angelfire.com/in2/oahspe3/oindex.html
131678
==\nWhat all you study about universe is based on theories evolved out of observations.\n\nAs a general observation Universe is expanding.\n\nThe expansion of universe Begin with the big bang.\n\nThe rate of expansion is not exactly known.\n\nIt is observed that as much the universe is expanding, the distances among the bodies is increasing.\n\nBecause of increasing distances gravitational pull is decreasing and so the bodies are accelerating due to the force of big bang still preserved as a potential energy.\n\nIt is believed that at speed of light the objects become invisible so as muc the bodies get the speed of light they become invisible. This means that a rough limit of the visible univers exist.\n\nWhat was holding the universe?\n\nWhen there was no universe, naturally there was nothing to be hold by anything.\nThe creation itself is existence.
399520
start from here:http://en.wikipedia.org/wiki/Universe\nperhaps you don't find nothing sure,but don't worry: we all are in same situation.
554241
In physical cosmology, the Big Bang is the scientific theory that the universe emerged from a tremendously dense and hot state about 13.7 billion years ago
651189
You could try some physics web sites\nWhat level of study?\n good high school ones are:\nhttp://www.thephysicsclassroom.com\nhttp://www.physicsclassroom.com/\nwww.scool.co.uk
45575
I would highly recommend the last answer. BRIAN GREENE's\nThe Elegant Universe. Great Book, I read it and it explains a lot in real English. Also check out his other book, which is also a great book on string theory its call "The fabric of the Cosmos"(great title!), a little more complex but highly usefull. Or if you hate to read, then buy the Nova special on string theory, which is hosted by Brian Greene (the author). He is one the lead string theorists. Mabye the next Einstein? (Possibly). I would watch the movie first. Then read the book, you would understand the material better with visuals.
602822
I am very interested in astrophysics especially the study of particles in the universe. I am also interested in the possibility of time-travel using black holes.
144299
It has always been my favourite subject, together with astronomy. I was over the moon when we had a double maths period at school, but the other kids thought I was weird.
620867
This is a little old, but good:\nhttp://www.tenet.edu/teks/web/science/el.html\n\nHere are some good links:\nhttp://www.bcps.org/offices/lis/curric/elem/Escience.html\n\nI just did a Yahoo! search on "science models elementary" so if you wanted to look for middle school, just change the search.\n\nHere are a few of my bookmarks which might be helpful, too:\nhttp://www.refdesk.com/\nhttp://www.howstuffworks.com/\nhttp://www.thinkquest.org/support/faqlibrary.htm\nhttp://www.nas.edu/\n\nI'm not certain this is what you were looking for, but it should get you started even if it's not exactly what you wanted. Your question was a little unclear. "Model" has a lot of meanings!
463307
http://en.wikipedia.org/wiki/Big_bang
211982
Greetings,\n\nKinda outta my league, but perhaps the link I posted can be of some use to you.\n\nDiscover had an article last year about a couple of inflation cosmology theorists who believed the speed of light, while constant now, was not constant in the very early universe, it was in fact slower.  Not sure about all that, but thought you might want to go digging for the article.\n\n-matt
39705
http://www.astronomycafe.net/cosm/dimens.html\n\nlong, but good explanation\n\nalso, do a search for a hypercube...you should find some interesting info there.\n\nhttp://rds.yahoo.com/_ylt=A0Je5mF.7vJDtigAKCNXNyoA;_ylu=X3oDMTE2bzk5aTlkBGNvbG8DdwRsA1dTMQRwb3MDMwRzZWMDc3IEdnRpZANGNTYxXzg4/SIG=12aalomvk/EXP=1140080638/**http%3a//www.physicsforums.com/printthread.php%3ft=16762\n\nsort of a debate on the topic, a lot of idiots speaking their mind too.  \n\n\nFor questions like this, all you have to do is a yahoo search... I wish people would stop being so lazy
444952
cosmic chemistry that is what is going on. take your time
368829
Would you like to see a real picture that was recently made of the beginning of the Universe?\n\nhttp://www.princeton.edu/pr/pwb/03/0217/
568245
Hi NY NY 2\n\nQuite a hodge podge of answers above.  let me see if I can clear some misconceptions up for you:\n\nFirst, the evidence. About 8 years ago two separate independent groups announced measurements of the brightness of supernova at a redshift z=1.  (Cosmologists use redshift factor "z" to show how far away something is in space-time by designating how far light from the object is redshifted by the time it arrives at earth.  The redshift is due to the expansion of the intervening space.  Redshift z=1 corresponds to a distance where the wavelength of light has been redshifted to double its original wavelength.).  These results indicated that the universal expansion was accelerating.  Since that time the results have been confirmed, and supporting evidence was found in the detailed mapping of the microwave background.\n\nSurprisingly (you might think) it is very easy to modify the equations which describe the universe's evolution to make the expansion accelerate.  The reason for this is that Einstein originally included such a factor in his early equations.\n\nBriefly, the equations for the universe at large scale talk about gravity and pressures.  Gravity tries to collapse the universe together and pressures push it apart (roughly).  When Einstein came up with his model (1915), everyone thought the universe was static (so called "steady state"), ie it didn't change over time.  So he included a cosmological constant to counteract the collapsing action of gravity and keep the universe steady.  This cosmological constant "pushes outwards" to counter gravities inward push.  By 1928 Hubble's catalogue had convinced people the universe was expanding (not steady) and physicists realised the cosmological constant wasn't required.  Einstein called its original inclusion "his biggest blunder".  It seems that call was wrong.  :o)\n\nNow the cosmological constant is coming back.  To describe an expanding universe you stick it back in and change the values for the density of normal mass-energy and the cosmological constant, and voila - an expanding universe.  The question then becomes: what does this constant physically represent?\n\nAt present cosmologists use the term "dark energy" to refer to a number of possible culprits.  From the equations we know the properties of this dark energy very well.  Some physicists link it to action of the quantum vacuum, some label it "quintessence" (the "fifth force").  \n\nIt is *not* (as suggested above) dark matter or antimatter.  Dark matter is invoked to explain galactic dynamics: galaxies tend to rotate in a fashion which suggests they have more mass than we can actually see.  This missing mass is presumed to be dark (which is why we can't see it).  Dark matter would act like ordinary matter in Einstein's equaitons, and so can't produce an accelerated expansion.  Antimatter also behaves gravitationally like ordinary matter and so it can't be responsible for accelerated expansion either.\n\n\nHope this helps!\nThe Chicken