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Our Solar System Flashcards | StudBud
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Our Solar System
Our Solar System
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An overview of the planets, celestial bodies, and zones defining our Solar System.
Flashcards
22 cards
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Questions
22
Answers
1
2) Which planet has the highest average surface temperature?
Venus
Earth
Mercury
Mars
2
18) Which method is currently the most productive in detecting exoplanets?
wobble method (Doppler effect)
direct imaging
gravitational microlensing
transit method
3
20) The most common size range of exoplanets discovered thus far is the ___________.
Jupiter or larger size planet
Mercury to Earth size planet
smaller than Mercury size planet
Earth to Neptune size planet
4
14) Which planets are theoretically within our Sun's Goldilocks zone?
Earth and Mars
Venus, Earth, and Mars
Earth and Venus
only Earth
5
16) What is one reason Pluto is no longer considered a full-fledged planet by the IAU?
Its axis of rotation is tilted excessively.
It is spherical in shape.
It is rocky and icy in composition.
It has not cleared its orbit of planetesimals.
6
12) Which is the largest terrestial planet in volume?
Venus
Mars
Jupiter
Earth
7
22) In the current formation model what term describes how dust particles become planetesimals?
condensation
accretion
coagulation
accumulation
8
1) Which celestial body is currently designated a terrestrial planet?
Neptune
Ceres
Pluto
Mercury
9
19) What does the term "hot Jupiter" mean?
a giant exoplanet heated by the combustion of its gases.
a huge rocky planet heated by gravitational compression.
a Jupiter-size gas giant that orbits very close to its star.
a massive exoplanet on the brink of becoming a star.
10
7) Which body
rotates
in a direction backwards to the other bodies in our Solar System?
Venus
Neptune
None of these
Mercury
11
3) Which planets have rings?
Jupiter, Saturn, Uranus, Neptune
Mars, Jupiter, Saturn, Uranus
Venus, Saturn, Uranus, Neptune
Mercury, Jupiter, Saturn, Neptune
12
11) Which planet has 4 terrestials inside its orbit and 3 Jovians outside its orbit?
Earth
Jupiter
Mars
Saturn
13
5) Why is Venus the hottest planet?
slow rotation
severe volcanic activity
second closest to the Sun
intense greenhouse effect
14
10) How many planets have no moons?
Three
Two
One
Four
15
9) Which natural satellite of the Sun is closest in mass and diameter to Earth?
Mars
Venus
Mercury
Ceres
16
8) Which Jovian (gas giant) planet rotates the fastest?
Saturn
Jupiter
Neptune
Uranus
17
6) Which body has a "normal" tilt to its axis of rotation less than 30°?
Uranus
Saturn
Pluto
Venus
18
15) Which planet has a moon bigger than our smallest planet, Mercury?
Saturn
Earth
Uranus
Jupiter
19
7) Which body
revolves
in a direction backwards to the other bodies in our Solar System?
Uranus
Pluto
None of these
Venus
20
13) Which planet is moving the fastest in its orbit around the Sun?
Jupiter
Neptune
Mercury
Venus
21
4) Which planet has the greatest average density because of its rocky and metallic composition?
Jupiter
Mercury
Earth
Venus
22
21) Our Solar System extends outward from the Sun to the ______ at its maximum reach.
Kuiper Belt
Asteroid Belt
Oort Cloud
heliosphere
