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Solar System Flashcards

(48 cards)

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1
Q

What is the smallest planet?

A

Mercury

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2
Q

What is the closest planet to the Sun?

A

Mercury

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3
Q

What is the fastest planet?

A

Mercury - 88 days to travel around the sun

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4
Q

What are the 4 terrestrial planets?

A
  1. Mercury
  2. Venus
  3. Earth
  4. Mars
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5
Q

How many moons does Mercury have?

A

0

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6
Q

How many rings does Mercury have?

A

0

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7
Q

What is the 2nd planet from the Sun?

A

Venus

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8
Q

What is the hottest planet?

A

Venus

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9
Q

How far is Earth from the Sun?

A

Nearly 93 million miles

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10
Q

How long does it take Earth to fully orbit around the sun?

A

365 days

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11
Q

How many moons does Earth have?

A

1

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12
Q

How many rings does Earth have?

A

0

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13
Q

Earth’s atmosphere is composed of …

A
  1. 78% nitrogen
  2. 21% oxygen
  3. 0.9% argon
  4. 0.1% other gases
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14
Q

What is the 4th planet from the Sun?

A

Mars

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15
Q

How many moons does Mars have?

A

2 - Phobos and Deimos

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16
Q
A

Mars

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17
Q
A

Venus

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18
Q
A

Earth

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19
Q
A

Mercury

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21
Q

What is the largest planet?

Study These Flashcards
A

Jupiter
*could fit 11 Earths

23
Q

What is the 5th planet from the Sun?

24
Q

Jupiter’s atmosphere is made up mostly of …

Study These Flashcards
A
  1. Hydrogen (H2)
  2. Helium (He)
25
What is the 6th planet from the Sun?
Saturn
26
Saturn’s atmosphere is made up mostly of …
1. Hydrogen (H2) 2. Helium (He)
27
How many rings does Saturn have?
7
28
How many moons does Saturn have?
53 known moons with an additional 29 moons awaiting confirmation of their discovery - total of 82
29
Saturn
30
How many moons does Jupiter have?
More than 75
31
How many rings does Jupiter have?
4
32
What are the 2 gas giants?
1. Jupiter 2. Saturn
33
Uranus
34
What is the 7th planet from the Sun?
Uranus
35
How many moons does Uranus have?
27 - all named after characters from the works of William Shakespeare and Alexander Pope
36
How many rings does Uranus have?
13
37
Uranus has an atmosphere made mostly of …
molecular hydrogen and atomic helium (with a small amount of methane)
38
Neptune
39
What are the 2 ice giants?
1. Uranus 2. Neptune
40
What is the farthest planet from the Sun?
Neptune
41
Neptune's atmosphere is made up mostly of …
molecular hydrogen, atomic helium and methane
42
How many moons does Neptune have?
14 - named after sea gods and nymphs in Greek mythology
43
How many rings does Neptune have?
5
44
How far is Earth from the Moon?
239K miles
45
Where is the only place that humans have set foot (besides Earth)?
The Moon
46
Who was the first man on the Moon?
Apollo 11 astronaut Neil Armstrong - July 1969
47
The Moon
48
The Solar System

Science (2 decks)

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