Solar system Flashcards

1
Q

Orientation of the 8 major planets and sun.

A
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
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2
Q

Terrestrial (inner) planets

A

Much closer to sun than Jovian planets. Have volcanic activity. Rock like

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3
Q

Jovian (outer) planets

A

Further from sun. Very large. Made up mostly of drozen gas-like material.

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4
Q

Sun

A

78% hydrogen, 20% helium. Pressure of 27 million degrees f.
Converts 4.4 million tons of matter into energy every second.

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5
Q

Kuiper Belt

A

Where Sedna and Erie were found. Doesn’t orbit the sun therefore isn’t considered planet.

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6
Q

Extraterrestrial impacts

A

May have started life on earth. Can change climate. Can start fire and consume oxygen and vegetation. Could have aided in water supply.

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7
Q

Mars having life

A

Meteorites from mars contained organic material. Suggests life could have been around for millions of years.

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8
Q

Solar system theory must explain…..

A

How it was created. Mechanics of solar system.

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9
Q

Chemical condensation nebular theory

A

Makes sense since closest planets are rocky and dense (terrestrial) and distant planets are gas like in structure.

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10
Q

Black hole

A

Light cannot escape

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11
Q

White hole

A

Matter and light can escape

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12
Q

Worm hole

A

Allows transport to other parts to universe

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