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Physical Science > The Inner Planets 30.2 > Flashcards

The Inner Planets 30.2 Flashcards

1
Q

Mercury

A

smallest and closest planet to the Sun

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2
Q

Venus

A

second planet from the Sun; has a dense atmosphere of mostly carbon dioxide and very high surface temperatures

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3
Q

Earth

A

third planet from the Sun; the only planet in the solar system known to have life, and where water exists as a solid, liquid, and a gas

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4
Q

Mars

A

fourth planet from the Sun; called the red planet because of concentrations of iron oxide

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5
Q

How did the solar system form?

A

from a nebula that collapsed

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6
Q

How long ago did the solar system form?

A

4.6 billion years ago

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7
Q

What is Mercury’s atmosphere like?

A

Mercury has no atmosphere

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8
Q

Which planet is referred to Earth’s sister?

A

Venus

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9
Q

What is Venus atmosphere like?

A

Very dense and very hot also unbreathable

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10
Q

What states can water exist as due to the temperature on Earth?

A

solid, liquid, and gas

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11
Q

What is Mars also known as?

A

the red planet

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12
Q

Why is Mars red?

A

the iron ioxide

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13
Q

How many moons does Mars have?

A

2

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14
Q

What are the names of the 2 moons?

A

Phobos and Deimos

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15
Q

what does Phobos and Deimos mean?

A

Phobos-fear

Deimos-panic

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16
Q

What was the mission of Spirit and Oppertunity?

A

to search for liquid

17
Q

What did the Mars Reconnaissance Orbit discover?

A

sediment layering and gullies

18
Q

What did the Mariner 9 discover?

A

Valles Marineris- large canyon and distinct volcanoes

19
Q

What did Viking 1 and Viking 2 do?

A

photographed the entire surface of Mars

20
Q

Global Surveryor

A

found that they Valles Marineris has similar walls to Grand Canyon

21
Q

What did the Mars Odyssey discover?

A

water as frost beneath a thin layer of soil

22
Q

What data was gathered by the pathfinder and its rover, Sojouner

A

that iron may have been leached out by groundwater

23
Q

Where did the Curiosity rover land?

A

Gale Crater

24
Q

What were the goals of curiosity?

A

investigate climate of geology collect evidence for microbial life to study planetary habitability

Physical Science (10 decks)

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