Planets

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Astronomy

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55 Terms

1
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Are asteroids or meteoroids bigger?
Asteroids are bigger.
2
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What's the difference in composition of asteroids and meteoroids compared to comet.
Comets are icy. Asteroids and meteoroids are rocky.
3
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What terrestrial planet has the biggest mass?
Earth
4
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What is odd about Earth's moon?
It's proportionally very big.
5
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How significant is Earth's magnetic field?
It's big; Big enough to protect us
6
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What's Mercury's atmosphere like
basically non-existent
7
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What's in Earth's atmosphere?
Nitrogen and Oxygen
8
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What planet has the biggest volume of core?
Mercury
9
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What strength of magnetic field does Mercury have?
very weak
10
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Which of the gas giants has the smallest diameter
Neptune
11
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What's the extent of temperature differences on Mercury
There's big differences between day and night
12
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What's Mercury's escape speed like
very low
13
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What is the only planet with liquid water in abundance?
Earth
14
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does mercury have tectonic activity or weathering
no
15
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does mercury have convection
no
16
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does mercury have moons
no
17
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What planet has the most eccentric orbit
Mercury
18
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What planet is inclined to the ecliptic
mercury
19
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What planet has the shortest orbital period
mercury
20
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What planet is smallest in radius and mass
mercury
21
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what planets are densest
mercury and earth
22
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What planet is red and why
mars is because of iron that's rusting
23
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what planet has almost the same rotation rate as Earth
mars
24
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What's the least dense terrestrial planet
mars
25
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Does mars have seasons
yes
26
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does mars have a magnetosphere
no
27
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did mars used to have water on the surface
yes
28
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Does mars have plate tectonics
no
29
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What planets have shield volcanoes
Venus and Mars
30
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What's mars' atmosphere like
thin and low pressure
31
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Does venus have a magnetosphere
no
32
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does venus have plate tectonics
no
33
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what's venus' atmosphere like
it has a lot of pressure and is very hot. it's filled with sulfur
34
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what planet suffers the most from the runaway greenhouse effect
venus (also mars)
35
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What traps energy on venus
the thick atmosphere
36
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What planet has the great red spot
Jupiter
37
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What planet has the biggest magnetic field
Jupiter
38
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How dense is Jupiter
very not dense
39
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What planets produce energy
Saturn, Neptune, and Jupiter
40
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What's jupiter's escape speed
really high
41
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What's the flattest planet
saturn
42
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What's the least dense planet
saturn
43
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What's the biggest planet
Jupiter
44
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what planet has the most noticeable rings
saturn
45
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What moons does uranus have
lots of close ones
46
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does jupiter have seasons
no its almost straight up
47
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What planet is tilted almost entirely on its side
Uranus
48
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does uranus have seasons
really extreme seasons
49
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What makes uranus blue
methane
50
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what's the only jovian planet without an internal heating source
Uranus
51
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What planet has really fast winds
Neptune
52
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What planet radiates the highest ratio of heat
Neptune
53
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what planet rotates fastest
Jupiter
54
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What planet has the longest orbital period
Neptune
55
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what planet rotates slowest
Venus