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FREE AND STUDY GAMES ABOUT ASTRON CH 8 AND 11
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -87 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: In composition, asteroids and meteoroids are most like:
Answer:
terrestrial planets.Question 2: The Trojan asteroids have orbits that:
Answer:
stay sixty degrees ahead of or behind Jupiter.
Question 3: What is true about solar system densities?
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The denser planets lie closer to the Sun.Question 4: The last quarter phase of the Moon:
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crosses the meridian at sunrise.
Question 5: Which of the following is not a characteristic of the outer planets?
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They are primarily made of hydrogen and helium.
Question 6: What is thought to lie at the center of Jupiter?
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a massive core of rocky materials with some iron mixed in
Question 7: Which is the densest planet in the solar system?
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Earth Question 8: Before it arrived in orbit about Eros, the NEAR spacecraft also flew past:
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asteroid Mathilde.Question 9: When the Moon is directly opposite the Sun in the sky, its phase is:
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full.Question 10: The major impact in the Yucatan wiped out the dinosaurs:
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about 65 million years ago.Question 11: When a formal definition of a planet in the solar system was adopted, Pluto was reclassified as adwarf planet. What characteristic of planets does NOT describe Pluto?
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Planets orbit in ellipses with low eccentricity.Question 12: Long period comets are thought to reside mainly in the:
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Oort Cloud.
Question 13: The tail of a comet always points:
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away from the Sun and becomes longest and brightest at perihelion.
Question 14: The moons of the jovian planets formed by which two processes?
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accretion and capture Question 15: According to Kepler's third law, the square of the planet's period in years is:
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proportional to the cube of its semimajor axis in A.U.Question 16: Scientists today do not accept the Ptolemaic model because:
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the work of Tycho and Kepler showed the heliocentric model was more accurate.Question 17: Which spacecraft gave or is giving us our best information about Mercury?
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Mariner 10 Question 18: Iron meteorites are believed to come from:
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the core of a dense M-type asteroid, now broken up.Question 19: According to Copernicus, retrograde motion for Venus must occur around:
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inferior conjunction, when it passes between us and the Sun.Question 20: The place in a planet's orbit that is closest to the Sun is called:
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perihelion.
Question 21: Why is there a two day difference in the sidereal and synodic months?
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The Earth is also revolving around the Sun, so the Moon must "catch up" Question 22: The planet ________ has the least variation in temperatures on the surface between day and night.
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Venus Question 23: If new moon fell on March 2nd, what is the Moon's phase on March 14th?
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waxing gibbous Question 24: Which of the following is not a characteristic of the inner planets?
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They all have substantial atmospheres.Question 25: What factor caused different planets to form out of different types of material?
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The variation in temperature throughout the solar nebula; the higher the temperature, the lower the percentage of light elements in the forming planet.Question 26: The NASA orbiter that ultimately landed on the surface of the asteroid Eros was:
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NEAR Shoemaker.Question 27: The plane in which almost all planets orbit the Sun is called the:
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ecliptic.Question 28: If you could find a bathtub big enough for Saturn, the planet would
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float.