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Front
Back | | Title:
The Sun
unused
Description:
Is the nearest star. The mean distance of the sun form the earth is 92.900,000 miles. A railway train going a thousand miles a day (nearly 42 miles an hour without stop) would take 254 1/3 years to make the journey, and the ticket would cost $2,880,000. Its diameter is 866,500 miles. It is 107 1/2 times larger than the earth's diameter. It is 1,3000,000 times larger in volume than the earth. The earth is almost 3,000,000 miles nearer to the sun on December 31 than on July 1. The sun rotates on its axis once in 25 days, 8 hours, 24 seconds. Light traverses the distance in 8 minutes, 9 seconds. The unbra of a sunspot varies from 500 to 50,000 miles in diameter.
| Details |  | | Size: | 3.5" x 5.5" (9 x 14 cm) |
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