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[JC Science] > Space > Flashcards

Space Flashcards

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Biology 101 flashcards
1
Q

What is cosmology?

A

It is the study of the universe

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2
Q

What is astromomy

A

It is the science that deals with the universe beyond the earths atmosphere

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3
Q

What is a star

A

It is a celestial body that generates its own light and heat

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4
Q

What is a planet

A

A celestial body that orbits a star

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5
Q

What does cleared the region mean?

A

It means it is easliy the largest celestial object in the region that it orbits.

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6
Q

How many planets in our solar system

A

8 planets

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7
Q

What is a moon

A

A natural satelite of a planet

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8
Q

What is an asteroid

A

Its a small rocky body orbiting the sun

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9
Q

What is a comet

A

A dusty snowball which obits the sun

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10
Q

What is a galaxy

A

A large system of stars held together by gravity and isolated from other systems

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11
Q

What is gravity

A

It is the glue of the universe.

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12
Q

How many days does it take for the moon to orbit the earth

A

28 days

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13
Q

How amny days does it take earth to orbit the sun?

A

365 days

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14
Q

How much of the earth is facing the sun at any one time

A

Half of the earth

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15
Q

Why do seasons occur

A

They occur due to the earths axis being tilted as it rotates orbiting the sun

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16
Q

Does the earths distance from the sun have any effect on seasons

A

No

17
Q

Does the moon produce its own light

A

No, we can see the moon because it is reflecting the suns light towards earth

18
Q

What is a lunar eclipse

A

When the earth comes between the sun and the moon. The moon cannot be seen

19
Q

What is a solar eclipse

A

When the moon comes between the sun and the earth. The sun cannot be seen

20
Q

What are the benefits of space exploration?

A

Satelites, scratch proof glass, battery technology and memory foam

21
Q

What are the disadvantages of space exploration

A

Explosion, burning up, phychological effects, space debris

[JC Science] (11 decks)

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