Solar System Flashcards

0
Q

10 % of the sun’s total volume and the innermost layer of the sun.

A

Core

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1
Q

The process wherein planets are formed by collecting grains.

A

Accretion

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2
Q

Layer of a star’s interior where energy is primarily transported toward the exterior by means of radiation.

A

Radiative Zone

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3
Q

Zone with mass movement of plasma within the star which usually forms a circular current.

A

Convective Zone

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4
Q

Plasma extending into space easily seen during a total solar eclipse.

A

Corona

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5
Q

It is the region from which externally received light originates.

A

Photosphere

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6
Q

Irregular layer above the photosphere that is invisible due to the brightness of the photosphere.

A

Chromosphere

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7
Q

It is a sudden brightening observed over the Sun’s surface, which is interpreted as a large energy release.

A

Flare

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8
Q

It creates a natural boundary between the terrestrial and gaseous planets, but it could have been a planet.

A

Asteroid belt

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9
Q

An area containing rock/ice bodies beyond the orbit of Pluto.

A

Kuiper belt

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10
Q

Dark regions of the sun.

A

Sunspot

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11
Q

A cloud containing “dirty ice” well beyond the orbit of the Kuiper Belt. Comets are from this cloud.

A

Oort Cloud

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12
Q

Bright feature extending outward from the Sun’s surface, usually a loop.

A

Prominence

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13
Q

Process wherein the earth undergoes accretion and it orbits around the sun.

A

Great Bombardment

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14
Q

Moon orbits the Earth every how many days?

A

29 and 1 half days

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15
Q

How many degrees is the moon tilted?

A

18.5 degrees

16
Q

True or False

The moon’s face does not change at all.

A

True

17
Q

It is when the moon has only one face when facing the earth.

A

Tidal lock

18
Q

A chuck of ice and rock originating from the outer solar system, often accompanied by coma and tail.

A

Comet

19
Q

A rock in orbit generally between Mars and Jupiter. Sometimes gets bounced towards Earth.

A

Asteroid

20
Q

Space rocks smaller than an asteroid.

A

Meteoroid

21
Q

Space rock entering the atmospheres

A

Meteor

22
Q

Space rock that lands on earth.

A

Meteorite