Solar system test 3 part 1

44. What actually "controls" Saturn's rings? a. Saturn's magnetic field b. Saturn's tidal heating c. Saturn's moons d. Saturn's rapid rotation e. Saturn's metallic core

c. Saturns moons

45. There is no air on the Moon to scatter light and soften shadows a. True b. False

a. True

3. Which is the coldest planet in the Solar System? a. Uranus b. Jupiter c. Saturn d. Neptune e. Mercury

a. Uranus

48. What is unique about Pluto's orbit? a. high eccentricity b. its length shifts over time c. the longest orbital period d. eccentricity is zero e. overlaps the orbit of Uranus

a. high eccentricity

46. All rock samples brought from the Moon by the Apollo astronauts are _________ rocks. a. igneous b. metamorphic c. sedimentary d. limestone e. gneiss

a. igneous

32. Which program is expected to take the first woman ever to walk on the surface of the Moon? a. Artemis 3 b. Apollo 18 c. Galileo 3 d. Voyager3 e. Cassini 2

a. Artemis 3

11. Uranus's rings are made of a. Boulders b. Dust c. Small rocks d. A mix of small rocks and ice e. Giants pieces of a new material

a. Boulders

42. How is it that Earth has less CO2 in its atmosphere than Venus, even though both planets likely outgassed the about the same amount of CO2 during their development? a. Earth absorbed most of the CO2 into its oceans. b. Venus absorbed most of the CO2 into its oceans. c. Earth lost most of its CO2 because of weak gravity. d. Venus rotates too slowly to lose any of its CO2. e. Venus retained much of its CO2 in polar ice.

a. Earth absorbed most of the CO2 into its oceans

13. During Apollo 15 mission, astronaut David Scott performed an experiment to prove that objects speed up at the same rate in free fall, proving that _________ was right. a. Galileo Galilei b. Nicolaus Copernicus c. Tycho Brahe d. Johannes Kepler e. Aristotle

a. Galileo Galilei

5. Which is the largest satellite in the Solar System? a. Ganymede b. Enceladus c. Phoebe d. Titan e. Callisto

a. Ganymede

35. One unique feature of Saturn's magnetic field is that a. It is perfectly aligned with its rotation axis. b. It produces beautiful auroras. c. It is particularly intense. d. It is locked with that of the Sun and Jupiter. e. It is the only one that slows down its planet's rotation.

a. It is perfectly aligned with its rotation

22. Which is a characteristic of Jovian planets when compared to Terrestrial planets? a. Jovian planets are much larger than Terrestrial planets b. Jovian planets have rocky surfaces c. Jovian planets have went through differentiation like Terrestrial planets d. Jovian planets have moons, unlike the Terrestrial planets e. Jovian planets have warmer atmospheres than Terrestrial planets.

a. Jovian planets are much larger than terrestrial planets

33. How did Mars get its two moons? a. Mars captured asteroids from the asteroid belt. b. Mars suffered a catastrophic meteor impact, breaking a piece off the planet. c. Mars had planetary bodies near it when the solar wind blew out the nebula. d. Mars collided and fused with another planet leaving two remnants behind. e. Mars captured comets from the Kuiper belt.

a. Mars captured asteroids from the asteroid belt

4. Since Mars's axis is tipped 25.2o to its orbit. Consequently, it experiences _______. a. seasons b. day and night c. extreme temperature fluctuations d. solar eclipses e. auroras

a. Seasons

10. Which statement describes a unique characteristic of Saturn? a. The density is so low it could float on water. b. The core temperature is hotter than the interior of the Sun. c. The rings are made up of ice from broken up comets d. The largest planet within the Solar System. e. The atmosphere is mostly made up of helium and methane.

a. The density is so low it could float on water

1. Titan is Neptune's largest satellite. a. True b. False

a. True

14. One characteristic that makes Uranus unique is that its rotation axis is tilted 98.0° with respect to the ecliptic. a. True b. False

a. True

17. The outermost planets in our Solar System are Jovian planets. a. True b. False

a. True

21. The nights are cold on Mercury because it has a negligible atmosphere. a. True b. False

a. True

24. Calculate the Roche radius (in km) for Neptune. The diameter of Neptune is 4.95 ✕ 104 km. Assume that the densities of Neptune and the second body are the same. Hint: a. 71,000 b. 60,400 c. 55,100 d. 68,200 e. 63,300

b. 60,400

25. Mercury completes one orbit around the Sun in 8 days. a. True b. False

b. False

50. Charon is a moon with an extreme elliptical orbit. a. True b. False

b. False

9. Only Jupiter and Saturn have rings. a. True b. False

b. False

7. The discovery of Neptune is important because a. It provides stability to the rest of the planets b. It is yet another proof of Newton's laws c. It proved that Galileo was right. d. It proved Einstein's equations e. It proved Copernicus was right.

b. It is yet another proof of Newtons laws

26. What feature makes most people think of Saturn as a wonder of the Solar System? a. Its planet-wide auroras. b. Its ring system. c. Its particular density. d. Its liquid interior. e. Its hot interior.

b. Its ring system

36. ________ moons of a Jovian planet are responsible for giving shape and maintaining their rings. a. Galilean b. Shepherd c. Plutonic d. Giant e. Larger

b. Shepherd

29. Which characteristic of Venus has led many to call it the "sister planet" to Earth? a. Venus and Earth have very similar atmospheres. b. Venus is almost the same size as Earth. c. Venus and Earth have liquid water on the surface. d. Venus is the same distance from the Sun as Earth. e. Venus and Earth have composite volcanoes.

b. Venus is almost the same size as earth

2. What makes up the bulk of the atmosphere of Venus? a. hydrogen b. carbon dioxide c. argon d. water vapor e. sulfuric acid

b. carbon dioxide

8. What is a unique geologic feature of Miranda? a. faults b. ovoids c. lava flows d. sinuous rilles e. sulfur-based volcanoes

b. ovoids

30. What characteristic of Uranus makes it stand out from all the other Jovian planets? a. the farthest planet from the Sun b. ​rotates on its side c. has the longest orbital period d. Its moon is the same size as the planet e. atmosphere contains methane

b. rotates on its side

28. Why is Venus so hot? a. It has a constant lava flow. b. Its ozone layer cannot absorb enough radiation. c. Extreme greenhouse effect. d. Very hot winds carrying down heated gas from the atmosphere. e. The atmosphere is plenty of Nitrogen

c. Extreme greenhouse effect

43. Which is a distinguishing characteristic of the Jovian planets? a. Jovian planets are rocky. b. Jovian planets are geologically inactive. c. Jovian planets have rings. d. Jovian planets have only one or two moons. e. Jovian planets have high albedos.

c. Jovian planets have rings

23. The perseverance mission landed on _________ to look for more evidence of the past presence of water. a. Neptune b. Saturn c. Mars d. Venus e. The Moon

c. Mars

31. Uranus and Neptune look green/blue because a. Their atmospheres are mostly made of Helium (He). b. Their atmospheres are mostly made of water (H2O). c. Their atmospheres are mostly made of methane (CH4 ). d. Their atmospheres are mostly made of carbon dioxide (CO2 ). e. Their atmospheres are mostly made of ozone (O3 ).

c. Their atmospheres are mostly made of methane (CH4)

20. How is Titan different from all the other Jovian satellites? a. Titan has frozen water on its surface. b. Titan has a heavily cratered surface. c. Titan has a thick atmosphere. d. Titan is the largest moon in the Solar System. e. Titan has a young, very reflective surface

c. Titan has a thick atmosphere

34. The planet that has very dense and toxic atmosphere, very high surface temperatures, and acid rain is: a. Mercury b. Jupiter c. Venus d. Mars e. Neptune

c. Venus

18. Large, smooth, dark plains on the Moon are called ____. a. ejecta blanket b. central peak c. maria d. multiringed basin e. Sinuous rille

c. maria

41. Which of the Jovian planets has a giant circulating storm that called the Great Red Spot that has lasted for centuries? a. Pluto b. Uranus c. Neptune d. Saturn e. Jupiter

e. Jupiter

27. Which is a characteristic Venus shares with Earth? a. Both planets have an ozone layer within their atmospheres. b. Both planets rotate clockwise on their axes. c. Both planets have a uniform circulation within their atmospheres. d. Both planets are still geologically active. e. Both planets have heavily cratered surfaces.

d. Both planets are still geologically active

39. Why does Mars look red? a. Sunlight scattered from Erath's atmosphere. b. Mars's atmosphere is made out mostly of oxygen. c. Sunlight reflecting on the surface of limestone rocks. d. Mars is covered with oxides (Rust). e. Mars looks red to us because of the filters used in our telescopes.

d. Mars is covered with oxides

49. Which is the largest volcano in the entire Solar System? a. Calderus Mons b. Maxwell Mons c. Mauna Kea d. Olympus Mons e. Mount Everest

d. Olympus Mons

47. One characteristic that indicates that Jovian planets have liquid interior is: a. Their magnetic fields. b. The inclination of their rotation axis. c. Their albedo. d. Their oblateness. e. Their gravitational field

d. Their oblateness

6. Which is a characteristic of dwarf planets? a. They possess an asymmetrical or irregular shape. b. Their orbit is highly elliptical and far from the Sun. c. They must reside within the Kuiper belt or Oort cloud. d. They have insufficient gravitational pull to clear their neighborhood. e. They cross the orbit of other planets during its own revolution.

d. They have insufficient gravitational pull to clear their neighborhood

19. The planets __________ and ____________ are also known as the "ice-giants". a. Saturn, Uranus b. Jupiter, Saturn c. Venus, Earth d. Uranus, Neptune e. Jupiter, Neptune

d. Uranus, Neptune

15. List the Solar System components in order from closest to farthest from Mercury: a. Sun, Saturn, Uranus, Oort cloud, Kuiper Belt b. Venus, Mars, Earth, Uranus, Jupiter c. Earth, Sun, Jupiter, Kuiper Belt, Oort Cloud d. Venus, Earth, Uranus, Saturn, Neptune e. Sun, Mars, Uranus, Kuiper Belt, Oort Cloud

e. Sun, Mars, Uranus, Kuiper Belt, Oort cloud

12. Which was the first non man-made laboratory in space? a. International Space Station. b. Apollo 11 c. Artemis d. The Sun e. The Moon

e. The Moon

37. Galileo was the probe that let us study in detail Jupiter. Which probe let us study Uranus in detail? a. Messenger b. Artemis c. Apollo d. Cassini e. Voyager 2

e. Voyager 2

38. What is the composition of Jupiter? a. mostly carbon dioxide and methane b. mostly methane c. mostly helium and carbon dioxide d. mostly nitrogen e. mostly hydrogen and helium

e. mostly hydrogen and helium

40. Scientists have confirmed that the particles of Saturn's rings are not ____. a. held by Saturn's moons b. within the Roche limit c. chunks of ice d. ancient e. primordial

e. primordial

16. What makes Neptune's moon Triton stand out from all the other large satellites in the Solar System? a. originated as a comet b. the most geologically active c. the most reflective satellite d. largest satellite in the Solar System e. the only large satellite with a backward orbit

e. the only large satellite with a backward orbit