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TRUE-FALSE (20 POINTS) ON YOUR SCAN SHEET: a = 1= TRUE, b = 2= FALSE F-1. A solar eclipse can occur only when the earth comes between the sun and the moon T-2. Newton’s Second Law requires that the Moon must be continually accelerated. T-3 Gravitation causes ALL bodies, no matter how small, to attract each other. F-4. Retrograde motion always occurs when a planet is at its aphelion. F-5. VENUS appears in opposition twice a year. F-6. If a planet orbits the sun at a distance of 5 A.U. then its orbital period is 25 years. T-7. The process that separated the elements in the interior of the earth is called "differentiation." T-8. The study of the relative intensities of the colors of light emitted by objects is called spectroscopy. F-9. The Ptolemaic Model of the Solar System FAILED to provide an explanation for RETROGRADE MOTION. T-10. If the distance between 2 bodies is 1/2 its original value the Gravitational Force between them will be 4 times stronger. F-11. Planets move SLOWEST in their orbit when CLOSEST to the Sun. F-12. If you increase the ALBEDO of a planet the TEMPERATURE will tend to rise, all other things being the same. F-13, The Galilean moons are associated with the planet Venus. T-14 Extrasolar planets are most easily detected if they are close to their parent star. F-15. The resolution of an interferometer depends primarily on the size of its component telescopes F-16, The celestial equator and the ecliptic are really the same thing. T-17. The DIRECTION of RETROGRADE MOTION is from East to West. T-18. Each atom has a unique line spectum associated with it. T-19. The composition of the Earth’s atmosphere is unlike any other planet in the Solar System.
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F-20. The moon is slowly spiraling toward the earth because of the tidal forces between the earth and moon MULTIPLE CHOICE (35 POINTS) 21. Both JUPITER and SATURN a) have liquid metallic hydrogen in their cores b) have rings c) emit more energy than they absorb from sunlight d) all of these 22. The Blackbody radiation color law states that: a) the cooler an object, the bluer the radiation it emits
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