This is a short summary of the paper
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The Dust-Cloud Hypothesis
Start of Term Paper
The universe contains huge clouds made up of very large amounts of dustand
gas. About 6,000,000,000 (billion) years ago, one of these clouds began to
condense. Gravitation--the pull that all objects in the universe have for
one another--pulle .... Middle of Term Paper
... weighed 500 times as much.
The large body of dust and gas forming the sun collapsed rapidly to a much
smaller size. The pressure that resulted from the collapse caused the sun
to become very hot and to glow brightly.
The newly born sun began to heat up the swirling eddy of gas and dust that
was to become the earth. The gas expanded, and some of it flowed away into
space. The dust that remained behind then collected together because of
gravity. Although the shrinking earth generated a lot of heat, most of
this heat was lost into space. Therefore, the original earth was most
likely solid, not molten.
This hypothesis was developed by a ... |
| Number of Words: 318 |
Approximate Pages: 2 |
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