Astronomy 100 HW #1a

Astronomy 100 HW #1a - Astronomy 100 HW#1 1(a i...

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Astronomy 100 HW #1 1) (a) i. 538,319,134= 5.3831934 x 10 8 ii. -73,165,373= -7.3165373 x 10 7 iii. 0.000451= 4.51 x 10 -4 iv. -0.01186= -1.188 x 10 -2 v. 4510= 4.51 x 10 3 (b) i. -9.6354 x 10 5 = -963,540 ii. 3.988 x 10 3 = 3,988 iii. 3.21 x 10 2 = 321 iv. 1.65 x 10 -1 = 0.165 v. -8.699 x 10 -3 = -0.008699 2) Page 1 of 3

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3) This statement does not make sense since the rotation of the Earth is not going to change at any point in time that we will experience. The reason the stars appear to rise in the east and set in the west is that the stars are in a fixed position and the Earth is rotating, the only way for something in a fixed position to appear to move in the opposite direction would be for us to rotate in the opposite direction, and that will not happen, at least not within a time we will experience. 4) (a) Year: 365 Days; The period of time it takes the Earth to travel along the ecliptic plane around the Sun. (b) Day: 24 Hours; The period of time it takes the Earth to make one full rotation
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This note was uploaded on 04/20/2008 for the course ASTR 100 taught by Professor Hayes-gehrke during the Spring '06 term at Maryland.

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Astronomy 100 HW #1a - Astronomy 100 HW#1 1(a i...

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