Science 30.3-4 Flashcards

1
Q

What is the fifth planet from the sun?

A

Jupiter

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2
Q

What is the sixth planet from the sun?

A

Saturn

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3
Q

What is the seventh planet from the sun?

A

Uranus

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4
Q

What is the eight planet from the sun?

A

Neptune

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5
Q

What are round objects in orbit around the sun that are not satellites and that have not cleared the debris in their orbits?

A

Dwarf Planet

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6
Q

What is composed of dust and rock particles, frozen water, methane, and ammonia?

A

Comet

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7
Q

What is a rocky object formed from material similar to the material in planets composition?

A

Asteroid

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8
Q

What is a sand - to bolder-sized objects in the solar system?

A

Meteoroid

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9
Q

What is a distant planetoid?

A

Sedna

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10
Q

What is life beyond Earth known as?

A

Extraterrestrial life

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11
Q

Which space probes flew past Jupiter in 1979?

A

Voyager 1 and Voyager 2

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12
Q

Which space probes reached Jupiter in 1995?

A

Galileo

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13
Q

What did the Voyager probes and Galileo study?

A

They studied the composition, structure, and motion of Jupiter’s atmosphere

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14
Q

How many known moons does Jupiter have?

A

63

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15
Q

What are the 4 Galilean moons?

A

Ganymede, Callisto, Io, and Europa

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16
Q

Which of the Galilean moons is the largest in the solar system?

A

Ganymede

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17
Q

Which of the Galilean moons most likely have water trapped beneath their surface?

A

Ganymede, Callisto, Europa

18
Q

Which of the Galilean moons is the most volcanically active object in the solar system?

A

Io

19
Q

What is Saturn’s most commonly known feature?

A

It’s rings

20
Q

What are Saturn’s rings made of?

A

Particles of water-ice

21
Q

How many moons does Saturn have at least?

A

60

22
Q

What is the name of Saturn’s largest moon?

A

Titan

23
Q

What is the name of the spacecraft that approached Saturn in 2004?

A

Cassini-Huygens

24
Q

What was Cassini’s mission?

A

To collect data about Saturn, it’s rings and it’s moons

25
Q

What was the Huygens mission?

A

To examine Titan’s surface

26
Q

Which space probe is the only probe to study Uranus?”

A

Voyager 2

27
Q

How many moons does Uranus have?

A

27

28
Q

Does Uranus have moons?

A

Yes

29
Q

How is Uranus’s axis tilt?

A

To where it is nearly parallel to the plane of the planet’s orbit

30
Q

What color is Uranus?

A

Blue-green

31
Q

Which space probe is the only probe to reach Neptune?

A

Voyager 2

32
Q

What makes Neptune a bluer color than Uranus?

A

The percentage of methane in it’s atmosphere

33
Q

How many moons does Neptune have?

A

13

34
Q

What is Neptune’s largest moon?

A

Triton

35
Q

What are the names of 3 Dwarf planets?

A

Pluto, Eris and Ceres

36
Q

What is the bright cloud around a comet?

A

Coma

37
Q

Where do comets originate?

A

Kuiper Belt, which is beyond Neptune’s orbit

38
Q

When meteoroids enter Earth’s atmosphere, what are they called?

A

Meteors

39
Q

When a meteor strikes Earth’s surface, what are they called?

A

Meteorites

40
Q

What does AU stand for?

A

Astronomical Unit

41
Q

What is an AU equal?

A

150 million km