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Chapter 30 vocab > Chapter 30.2 > Flashcards

Chapter 30.2 Flashcards

1
Q

Mercury

A

the smallest and closest planet to the Sun

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2
Q

Venus

A

the second closest planet to the Sun

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3
Q

Earth

A

the third planet from the Sun

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4
Q

Mars

A

the fourth planet from the Sun

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5
Q

How did the solar system form?

A

From a nebula that collapse

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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 atmosphere like?

A

Mercury has no atmosphere

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8
Q

Which planets is referred to Earths 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 temperatures on Earth?

A

as 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 oxide

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13
Q

How many moons does Mars have?

A

2

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14
Q

What are they 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 Opportunity?

A

To search of liquid water

17
Q

What did the Mars Reconnaissance Orbiter discover?

A

sediment layering and gullies

18
Q

What did the Mariner 9 discover?

A

Valles Marineris- large canyon

Distinct volcanoes

19
Q

What did Viking 1 and Viking 2 do?

A

Photographed the entire surface of mars

20
Q

Global Surveyor

A

found that the 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

Chapter 30 vocab (8 decks)

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