Survey of The Solar System Review

1. Survey of The Solar System Review

2. Survey of the Solar System

3. How many stars are there in the Solar System? A) 0 B) 1 C) 9 D) 100 billion

4. How many stars are there in the Solar System? A) 0 B) 1 C) 9 D) 100 billion

5. What are the third, fifth and seventh planets in order of increasing distance from the Sun? A) Venus, Earth, Jupiter B) Earth, Jupiter, Uranus C) Mercury, Mars, Saturn D) Mars, Jupiter, Neptune

6. What are the third, fifth and seventh planets in order of increasing distance from the Sun? A) Venus, Earth, Jupiter B) Earth, Jupiter, Uranus C) Mercury, Mars, Saturn D) Mars, Jupiter, Neptune

7. All planets spin in the same direction except for A) Mercury, Earth, and Jupiter. B) Venus, Mars, and Saturn. C) Venus, and Uranus D) Neptune, and Uranus

8. All planets spin in the same direction except for A) Mercury, Earth, and Jupiter. B) Venus, Mars, and Saturn. C) Venus, and Uranus D) Neptune, and Uranus

9. Which of the following is an outer planet? A) Earth B) Jupiter C) Mars D) Venus

10. Which of the following is an outer planet? A) Earth B) Jupiter C) Mars D) Venus

11. Which of the following is not a property of the outer planets? A) They all have solid surfaces for spacecraft to land on. B) They are composed mostly of hydrogen and helium. C) They all have rings. D) They are all far more massive than the Earth.

12. Which of the following is not a property of the outer planets? A) They all have solid surfaces for spacecraft to land on. B) They are composed mostly of hydrogen and helium. C) They all have rings. D) They are all far more massive than the Earth.

13. A planet's average density is equal to its __ divided by its __. A) mass, surface area B) volume, mass C) mass, volume D) mass, radius

14. A planet's average density is equal to its __ divided by its __. A) mass, surface area B) volume, mass C) mass, volume D) mass, radius

15. What do we call the swarm of comet nuclei in a huge shell surrounding the Sun and planets? A) The Solar System B) The asteroid belt C) The ecliptic. D) The Oort Cloud

16. What do we call the swarm of comet nuclei in a huge shell surrounding the Sun and planets? A) The Solar System B) The asteroid belt C) The ecliptic. D) The Oort Cloud

17. Astronomers believe the Solar System is approximately how old? A) 4.5 thousand years. B) 4.5 million years. C) 4.5 billion years. D) 4.5 trillion years.

18. Astronomers believe the Solar System is approximately how old? A) 4.5 thousand years. B) 4.5 million years. C) 4.5 billion years. D) 4.5 trillion years.

19. A huge interstellar cloud collapsed into a rotating disk with a central bulge. What was this? A) The disk was the solar nebula and the bulge became Jupiter. B) A large belt containing asteroids in a gap between the orbits of Mars and Jupiter. C) The disk was the solar nebula and the bulge became the Sun. D) The formed the outer planets which eventually met up with the Sun.

20. A huge interstellar cloud collapsed into a rotating disk with a central bulge. What was this? A) The disk was the solar nebula and the bulge became Jupiter. B) A large belt containing asteroids in a gap between the orbits of Mars and Jupiter. C) The disk was the solar nebula and the bulge became the Sun. D) The formed the outer planets which eventually met up with the Sun.

21. Which of the following features of the Solar System does the solar nebula hypothesis explain? A) All the planets orbit the Sun in the same direction. B) All the planets' orbits lie in nearly the same plane. C) The planets nearest the Sun contain only small amounts of substances that condense at low temperatures. D) All of the above.

22. Which of the following features of the Solar System does the solar nebula hypothesis explain? A) All the planets orbit the Sun in the same direction. B) All the planets' orbits lie in nearly the same plane. C) The planets nearest the Sun contain only small amounts of substances that condense at low temperatures. D) All of the above.

23. One reason the planets near the sun are composed mainly of rock and iron may be that A) the Sun's magnetic field attracted all the iron into the region around the Sun. B) the Sun's heat made it difficult for ices and gases to condense near it. C) the Sun's gravity sucked in iron and heavy material and the lighter materials floated farther away. D) the Sun is made mostly of iron, so the planets nearest it are formed of iron.

24. One reason the planets near the sun are composed mainly of rock and iron may be that A) the Sun's magnetic field attracted all the iron into the region around the Sun. B) the Sun's heat made it difficult for ices and gases to condense near it. C) the Sun's gravity sucked in iron and heavy material and the lighter materials floated farther away. D) the Sun is made mostly of iron, so the planets nearest it are formed of iron.

25. How do we know the interior composition of Jupiter? A) Astronomers examined Jupiter's spectrum. B) Astronomers studied earthquake waves using instruments on Jupiter's surface. C) Astronomers calculated Jupiter's average density and compared it to those of abundant candidate materials, taking gravitational compression into account. D) All of the above.

26. How do we know the interior composition of Jupiter? A) Astronomers examined Jupiter's spectrum. B) Astronomers studied earthquake waves using instruments on Jupiter's surface. C) Astronomers calculated Jupiter's average density and compared it to those of abundant candidate materials, taking gravitational compression into account. D) All of the above.

27. What are planetesimals? A) Very small planets. B) Satellites of the giant planets. C) Planets that are found orbiting other stars. D) Large chunks of material (1 mm to several km in size) from which the planets were formed.

28. What are planetesimals? A) Very small planets. B) Satellites of the giant planets. C) Planets that are found orbiting other stars. D) Large chunks of material (1 mm to several km in size) from which the planets were formed.

29. How did the planetary moons form? A) The moons probably formed from planetesimals orbiting the growing planets. B) Most of the moons likely were "captured" as they wandered too close to the planets. C) Many of the moons formed from material spewed out of volcanoes. D) Both b and c.

30. How did the planetary moons form? A) The moons probably formed from planetesimals orbiting the growing planets. B) Most of the moons likely were "captured" as they wandered too close to the planets. C) Many of the moons formed from material spewed out of volcanoes. D) Both b and c.

31. How do astronomers discover planets orbiting a star beyond the Sun? A) They can see the planet reflecting the star's light. B) They can be detected by the slight gravitational tug that they exert on their parent stars. C) They have bounced radar off of them. D) So far, no planets have been discovered around any other stars.

32. How do astronomers discover planets orbiting a star beyond the Sun? A) They can see the planet reflecting the star's light. B) They can be detected by the slight gravitational tug that they exert on their parent stars. C) They have bounced radar off of them. D) So far, no planets have been discovered around any other stars.

33. Name the eight planets in order of increasing distance from the Sun. Which are inner and outer planets?

34. Name the eight planets in order of increasing distance from the Sun. Which are inner and outer planets? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

35. What is Pluto, and why isn't it a planet?

36. What is Pluto, and why isn't it a planet? A drawf planet: a celestrial body that is in orbit around the sun, is massive enough for its self-gravity to create a nearly round shape, but has not cleared the neighborhood around its orbit…

37. Which of the following objects are primarily rocky with iron cores? (a) Venus, Jupiter, and Neptune (b) Mercury, Venus, and Pluto (c) Mercury, Venus, and Earth (d) Jupiter, Uranus, and Neptune

38. Which of the following objects are primarily rocky with iron cores? (a) Venus, Jupiter, and Neptune (b) Mercury, Venus, and Pluto (c) Mercury, Venus, and Earth (d) Jupiter, Uranus, and Neptune

39. Which of the following best describes the planets' spins? (a) All spin counterclockwise. (b) Very few spin at all. (c) The spins often reverse. (d) Most spin counterclockwise.

40. Which of the following best describes the planets' spins? (a) All spin counterclockwise. (b) Very few spin at all. (c) The spins often reverse. (d) Most spin counterclockwise.

41. Which of the following features of the Solar System does the solar nebula theory explain? (a) All the planets orbit the Sun in the same direction. (b) All the planets move in orbits that lie in nearly the same plane. (c) The planets nearest the Sun contain only small amounts of substances that condense at low temperatures. (d) All the planets and the Sun, to the extent that we know, are the same age. (e) All of the above

42. Which of the following features of the Solar System does the solar nebula theory explain? (a) All the planets orbit the Sun in the same direction. (b) All the planets move in orbits that lie in nearly the same plane. (c) The planets nearest the Sun contain only small amounts of substances that condense at low temperatures. (d) All the planets and the Sun, to the extent that we know, are the same age. (e) All of the above

43. The numerous craters we see on the solid surfaces of so many Solar System bodies are evidence that (a) they were so hot in their youth that volcanos were widespread. (b) the Sun was so hot that it melted all these bodies and made them boil. (c) these bodies were originally a mix of water and rock. As the young Sun heated up, the water boiled, creating hollow pockets in the rock. (d) they were bombarded in their youth by many solid objects. (e) all the planets were once part of a single, very large and volcanically active mass that subsequently broke into many smaller pieces.

44. The numerous craters we see on the solid surfaces of so many Solar System bodies are evidence that (a) they were so hot in their youth that volcanos were widespread. (b) the Sun was so hot that it melted all these bodies and made them boil. (c) these bodies were originally a mix of water and rock. As the young Sun heated up, the water boiled, creating hollow pockets in the rock. (d) they were bombarded in their youth by many solid objects. (e) all the planets were once part of a single, very large and volcanically active mass that subsequently broke into many smaller pieces.

45. Suppose a number of planets all have the same mass but different sizes and temperatures. Which of the following planets is most likely to retain a thick atmosphere? (a) Small, hot (b) Small, cool (c) Large, hot (d) Large, cool

46. Suppose a number of planets all have the same mass but different sizes and temperatures. Which of the following planets is most likely to retain a thick atmosphere? (a) Small, hot (b) Small, cool (c) Large, hot (d) Large, cool

47. The Doppler shift method for detecting the presence of exoplanets is best able to detect (a) massive planets near the star. (b) massive planets far from the star. (c) Low mass planets near the star. (d) Low mass planets far from the star.

48. The Doppler shift method for detecting the presence of exoplanets is best able to detect (a) massive planets near the star. (b) massive planets far from the star. (c) Low mass planets near the star. (d) Low mass planets far from the star.

49. The transit method for detecting exoplanets works best for (a) very massive planets. (b) solar systems seen face on. (c) planets very far from their stars (d) solar systems seen edge on (e) planets very close to their stars.

50. The transit method for detecting exoplanets works best for (a) very massive planets. (b) solar systems seen face on. (c) planets very far from their stars (d) solar systems seen edge on (e) planets very close to their stars.