# Astronomy college course/Solar system/Quiz

Astronomy_college_course#Solar_System

## AstroWikipSolSys1_Study

Template:EduV/quizedit
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### AstroWikipSolSys1_Study-v1s1

1. Very far from the sun, the heliosphere
    ___ a) spins in the opposite direction
    ___ b) reverses direction
    ___ c) becomes the magnetosphere
    ___ d) becomes weaker than the interstellar wind
    ___ e) never ends
2. A volatile is a substance that
    ___ a) melts or evaporates at high temperature
    ___ b) reacts violently with water
    ___ c) reacts violently with acids
    ___ d) reacts violently with oxygen
    ___ e) melts or evaporates at low temperature
3. All planets lie within a nearly flat disc called the __________ plane
    ___ a) ecliptic
    ___ b) fissile
    ___ c) angular
    ___ d) interstellar
    ___ e) retrograde
4. The AU is
    ___ a) a measure of the brightness of a planet
    ___ b) the size of Oort's cloud
    ___ c) the most distant Kuiper object from the Sun
    ___ d) the distance from the Sun to Earth
    ___ e) the distance from Earth to the Moon
5. The Sun and Earth are about
    ___ a) 50 million years old
    ___ b) 5 million years old
    ___ c) 5 billion years old
    ___ d) 500 million years old
    ___ e) 50 billion years old
6. The universe is about
    ___ a) 150 million years old
    ___ b) 15 million years old
    ___ c) 1.5 billion years old
    ___ d) 15 billion years old
    ___ e) 150 billion years old
7. Roughly how much bigger is a gas planet than a terrestrial planet?
    ___ a) 3
    ___ b) 10
    ___ c) 100
    ___ d) 300
    ___ e) 30
8. Roughly how much bigger is a the Sun than a gas planet?
    ___ a) 30
    ___ b) 100
    ___ c) 10
    ___ d) 3
    ___ e) 300
9. According to Wikipedia, if all the mass of the asteroid belt were combined to one object, it's mass would _______ times less than Earth's mass.
    ___ a) 1,000
    ___ b) 10,000
    ___ c) 1
    ___ d) 10
    ___ e) 100
    ___ a) Van Allen belt
    ___ b) Oort Cloude
    ___ c) magnetic sun's magnetic field
    ___ d) ecliptic plane
    ___ e) Kuiper belt
11. In planetary science, the frost line refers to a distance away from
    ___ a) the south pole of a planet
    ___ b) the north pole of a planet
    ___ c) ecliptic plane
    ___ d) the star in the middle
    ___ e) either pole of a planet
12. Oort's cloud was hypothesized to explain the source of
    ___ a) asteroids
    ___ b) comets
    ___ c) water outside the frost line
    ___ d) planets
    ___ e) water inside the frost line
13. According to Wikipedia _______ and ______ are referred to as volatiles.
    ___ a) electrons and protons
    ___ b) acids and bases
    ___ c) asteroids and terrestrial planets
    ___ d) planets and moons
    ___ e) ices and gasses
14. Which of the following list is properly ranked, starting with objects closest to the Sun?
    ___ a) Asteroid belt, Oort's cloud, Kuiper belt
    ___ b) Kuiper belt, Oort's cloud, Asteroid belt
    ___ c) Kuiper belt, Asteroid belt, Oort's cloud
    ___ d) Asteroid belt, Kuiper belt, Oort's cloud
    ___ e) Oort's cloud, Asteroid belt, Kuiper belt
15. When the sun turns into a red giant,
    ___ a) surface temperature decreases; energy output increases
    ___ b) surface temperature increases; energy output increases
    ___ c) surface temperature increases; energy output decreases
    ___ d) The sun will not turn into a red giant
    ___ e) surface temperature decreases; energy output decreases

#### Key to AstroWikipSolSys1_Study-v1s1

1. Very far from the sun, the heliosphere
    - a) spins in the opposite direction
    - b) reverses direction
    - c) becomes the magnetosphere
    + d) becomes weaker than the interstellar wind
    - e) never ends
2. A volatile is a substance that
    - a) melts or evaporates at high temperature
    - b) reacts violently with water
    - c) reacts violently with acids
    - d) reacts violently with oxygen
    + e) melts or evaporates at low temperature
3. All planets lie within a nearly flat disc called the __________ plane
    + a) ecliptic
    - b) fissile
    - c) angular
    - d) interstellar
    - e) retrograde
4. The AU is
    - a) a measure of the brightness of a planet
    - b) the size of Oort's cloud
    - c) the most distant Kuiper object from the Sun
    + d) the distance from the Sun to Earth
    - e) the distance from Earth to the Moon
5. The Sun and Earth are about
    - a) 50 million years old
    - b) 5 million years old
    + c) 5 billion years old
    - d) 500 million years old
    - e) 50 billion years old
6. The universe is about
    - a) 150 million years old
    - b) 15 million years old
    - c) 1.5 billion years old
    + d) 15 billion years old
    - e) 150 billion years old
7. Roughly how much bigger is a gas planet than a terrestrial planet?
    - a) 3
    + b) 10
    - c) 100
    - d) 300
    - e) 30
8. Roughly how much bigger is a the Sun than a gas planet?
    - a) 30
    - b) 100
    + c) 10
    - d) 3
    - e) 300
9. According to Wikipedia, if all the mass of the asteroid belt were combined to one object, it's mass would _______ times less than Earth's mass.
    + a) 1,000
    - b) 10,000
    - c) 1
    - d) 10
    - e) 100
    - a) Van Allen belt
    - b) Oort Cloude
    - c) magnetic sun's magnetic field
    + d) ecliptic plane
    - e) Kuiper belt
11. In planetary science, the frost line refers to a distance away from
    - a) the south pole of a planet
    - b) the north pole of a planet
    - c) ecliptic plane
    + d) the star in the middle
    - e) either pole of a planet
12. Oort's cloud was hypothesized to explain the source of
    - a) asteroids
    + b) comets
    - c) water outside the frost line
    - d) planets
    - e) water inside the frost line
13. According to Wikipedia _______ and ______ are referred to as volatiles.
    - a) electrons and protons
    - b) acids and bases
    - c) asteroids and terrestrial planets
    - d) planets and moons
    + e) ices and gasses
14. Which of the following list is properly ranked, starting with objects closest to the Sun?
    - a) Asteroid belt, Oort's cloud, Kuiper belt
    - b) Kuiper belt, Oort's cloud, Asteroid belt
    - c) Kuiper belt, Asteroid belt, Oort's cloud
    + d) Asteroid belt, Kuiper belt, Oort's cloud
    - e) Oort's cloud, Asteroid belt, Kuiper belt
15. When the sun turns into a red giant,
    + a) surface temperature decreases; energy output increases
    - b) surface temperature increases; energy output increases
    - c) surface temperature increases; energy output decreases
    - d) The sun will not turn into a red giant
    - e) surface temperature decreases; energy output decreases

   ##### Attribution (for quiz questions) under CC-by-SA license

    http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Solar_system/Quiz&oldid=1388382

   ##### Study guide

    http://en.wikipedia.org/w/index.php?title=Solar_System&oldid=589452802