Prelim1E - ASTRO 102 104 Prelim 1 Name Section MULTIPLE...

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ASTRO 102 / 104 Prelim 1 Name___________________________________ Section__________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) This is version E of the exam. Please fill in (E). A) This is WRONG B) This is WRONG C) This is WRONG D) This is WRONG E) This is the CORRECT answer 1) 2) Why is the Mars Exploration Rover Spirit currently tilted towards the north? 2) 3) The resolution of a telescope is a measure of its: A) Ability to magnify distant objects B) Ability to measure the angular separation of objects C) Ability to measure the distance between objects D) Light - collecting efficiency E) Aperture size 3) 4) If you know both the actual brightness of an object and its apparent brightness from your location, then with no other information you can estimate: 4) 5) In addition to the conditions required for any solar eclipse, what must also be true in order for you to observe a total solar eclipse? 5) 1
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6) How did Eratosthenes estimate the size of Earth in 240 B.C.? A) By observing the duration of a solar eclipse. B) By measuring the size of Earth's shadow on the Moon in a lunar eclipse. C) By comparing the maximum altitude of the Sun in two cities at different latitudes at the same time on the same day. D) By sending fleets of ships around Earth. E) By finding a place on Earth where the Sun passes directly overhead. 6) 7) Which statement about an atom is not true: 7)
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