The Workbook contains a sheet called planet data form which is what you must use for the assignment. You may have to click on the the arrow in the extreme lower left to see it. When you do see it, you may see a bunch of ###s in the mass column. Just highlight all those cells and go to format then cells then number and then choose scientific and 2 decimal places. You will see the sun has a mass of 1.99 E30.
Note that the mass column labeled earth masses means exactly that. The sun has a mass of 333,000 earths NOT 333,000 kg. The earth has a mass of 5.98 E24 kg. Yes, the sun does have considerably more mass than a small freight train.
Please do not tell me that you think the period of the earth's rotation is trillions of years.
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