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? A) Because it’s climbing up a big hill. B) Because it’s in the southern hemisphere, where it is winter now. C) Because it’s in the northern hemisphere, where it is winter now. D) Because one of its wheels broke. E) Because the Sun is directly overhead. 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: A) Its speed relative to you B) Its composition C) Its size D) Its distance from you E) The speed of light 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? A) The Earth must lie completely within the Moon's penumbra. B) The Moon's penumbra must touch the area where you are located. C) The Earth must be near aphelion in its orbit of the Sun. D) The Moon's umbra must touch the area where you are located. E) The Earth must lie completely within the Moon's umbra. 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: A) The nucleus contains most of the atom’s mass, but almost none of its volume. B) A neutral atom always has equal numbers of electrons and protons. C) A neutral atom always has equal numbers of neutrons and protons. D) The electrons can only orbit at particular energy levels. E) All
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This note was uploaded on 03/05/2008 for the course ASTRO 1102 taught by Professor Squyres,s/margot,j during the Spring '07 term at Cornell University (Engineering School).

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Prelim1E - ASTRO 102 / 104 Prelim 1 Name_ Section_ MULTIPLE...

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