ISP EXAM 2 REVIEW - EXAM 2 REVIEW(last exam questions Red...

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EXAM 2 REVIEW (last exam questions) Red: ones I got wrong ; Blue: ones I got right The astronauts feel weightless in the International Space Station, which orbits the Earth once every 90 minutes. Why? Correct: Because they are falling around the Earth. As an interstellar cloud of hydrogen gas shrinks in size, its rate of rotation Correct: Increases, because its angular momentum is conserved Imagine a planet like Earth orbiting the Sun, at an average distance of 1 AU but with a highly eccentric orbit. Which of the following statements about this orbit is NOT true? Correct: the period is longer than a year. Which of the following statements is an explanation, not an observation? Correct: Stars shine with energy generated by nuclear fusion in their cores Identify the falsifiable statement below: Correct: The Sun is at the center of the solar system. The gravitational force that the Earth exerts on the Moon is equal and opposite to that which the Moon exerts on the Earth. Therefore, according to Newton's second law of motion, Correct: the Moon as a larger acceleration than the Earth, because it has a smaller mass You and I are emitting primarily Correct: infrared radiation Imagine a planet like Earth orbiting the Sun, but in an orbit with an average distance of 2 AU. What is its period? Correct: 2.8 years Which of the following is an example of reflection or scattering? Correct: Red light hits a red sweatshirt Which object has aged the most since it emitted the light we see today? Correct: a star in the Andromeda Galaxy Your friend tells you that last night, they saw Mars high in the sky at midnight. You conclude that Correct: Mars must be in retrograde If the moon is 3rd quarter phase, when does it rise? Correct:
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This note was uploaded on 11/16/2011 for the course ISP 205 taught by Professor Donahue during the Fall '08 term at Michigan State University.

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ISP EXAM 2 REVIEW - EXAM 2 REVIEW(last exam questions Red...

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