Planets Flashcards

0
Q

How far is Mercury from the sun?

A

.4 AU

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1
Q

What is an AU?

A

An astronomical unit which is the distance from the earth to the sun.

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2
Q

What kind of planet is Mercury?

A

Terrestrial

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3
Q

How many moons does Mercury have?

A

Zero

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4
Q

How far is Venus from the sun?

A

.7 AU

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5
Q

True or false, Venus is not terrestrial?

A

False.

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6
Q

What does terrestrial mean?

A

That the planet has rocks and crusts.

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7
Q

What is the difference between terrestrial and gas planets?

A

Gas planets are composed almost entirely of gas because of the pressure of the atmosphere, terrestrial planets have hard rock and dust.

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8
Q

Does Venus have moons?

A

No

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9
Q

What is earth’s distance from the sun?

A

1 AU.

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10
Q

Is earth terrestrial?

A

Yep

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11
Q

What is earth’s number of moons?

A

1

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12
Q

What is the length of earth’s day?

A

24 hours.

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13
Q

What is the length of earth’s year?

A

365 days

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14
Q

How far away is Mars?

A

1.5 AU

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15
Q

Is Mars terrestrial or gaseous?

A

Terrestrial.

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16
Q

How many moons does Mars have?

A

2

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17
Q

Length of the day on Mars is____

A

24.5 or 25 hours.

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18
Q

The length of Mar’s year is ____

A

687 days.

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19
Q

How far away is Jupiter?

20
Q

What is Jupiter made of?

21
Q

How big is Jupiter?

A

143,000 Km in diameter.

22
Q

How many moons does Jupiter have?

23
Q

How long is the day on Jupiter?

24
How long is the year on Jupiter?
4,331 days.
25
How far away is Saturn?
9 AU.
26
What is Saturn made of?
Gas.
27
What is the size of Saturn?
121,000 Km.
28
How many moons does Saturn have?
62
29
What is the length of a day on Saturn?
11 Hours.
30
What is the length of a year on Saturn?
10700 days
31
How far is Uranus from the sun?
17 AU.
32
What is the composition of Uranus?
Gas
33
What is the size of Uranus?
51,000 Km
34
How many moons does Uranus have?
27
35
How long is a day on Uranus?
17 hours.
36
What is the length of a year on Uranus?
31,000 days
37
How far is Neptune from the sun?
30 AU.
38
What is the size of Neptune?
50,000 Km
39
How many moons does Neptune have?
14
40
What is the length of a day on Neptune?
16
41
How long is a year on Neptune?
60,000
42
How far is Pluto from the Sun?
60 AU.
43
Is Pluto terrestrial?
Yes.
44
What is the size of Pluto?
2,390 Km
45
How many moons does Pluto have?
5
46
How long is a day on Pluto?
153 hours.
47
How long is a year on Pluto?
91,000 days.