Part one 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--pulled the gas and dust particles together. As the dust cloud condensed, it began to spin. It spun fast ...

Part two of term paper
... separately to make the planets. The forming sun and planets were made up mostly of gas. They contained much more gas than dust. The earth was far bigger than it is now and probably 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 e ...