Homework B - Astronomy 100 Homework B Fall 2008: Jim Kaler...

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Fall 2008: Jim Kaler (Reason for correct answer is in italics ) 1. The Earth is at the aphelion point of its orbit (farthest from the Sun) about a) March 21 b) January 2 c) December 22 d) July 4 (1.7 percent farther than average) e) November 22 2. The Zodiac runs along the a) celestial meridian b) celestial equator c) horizon d) apparent path of the Sun (the ecliptic) e) Milky Way 3. When viewed at the same time of night but two weeks apart, stars will appear to shift to the west by how many degrees? a) 1 b) 3.5 c) 5 d) 7 e) 14 (since the Sun moves along the ecliptic at a rate of one degree per day) 4. The obliquity of the ecliptic is a) 40 degrees north b) 90 degrees south c) 23.5 degrees d) 45 degrees e) 66.5 degrees 5. The vernal equinox is where the ecliptic meets the a) celestial meridian b) horizon c) north point d) NCP e) celestial equator (with the Sun moving north) 6. The Foucault pendulum is evidence a) for a spherical Earth b) that the Earth is an oblate spheroid c) that the Earth revolves about the Sun d) for the obliquity of the ecliptic e) for a rotating Earth
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Homework B - Astronomy 100 Homework B Fall 2008: Jim Kaler...

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