Astronomy college course/Solar system/Quiz

Astronomy_college_course#Solar_System

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planetary disk

AstroWikipSolSys1_Study

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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

10.

planetary disk

In this hypothetical image of a sun-like star we see a bright band of dust that we on Earth call zodiacal light. It is due to sunlight reflecting off dust in the

___ 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

10.

planetary disk

In this hypothetical image of a sun-like star we see a bright band of dust that we on Earth call zodiacal light. It is due to sunlight reflecting off dust in the

- 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

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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