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Planetary Science > Planetary System > Flashcards

Planetary System Flashcards

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1
Q

A photograph of Earth taken alongside the Family Portrait of Solar System

A

Pale Blue Dot

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2
Q

The process of comparing and contrasting different planetary characteristics

A

Comparative Planetology

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3
Q

When was the “Pale Blue Dot” first taken?

A

February 14, 1994

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4
Q

Refers to the rotation and revolution of a planet going towards the same direction.

A

Prograde

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5
Q

Rotation and revolution move in opposite directions

A

Retrograde

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6
Q

TERRESTRIAL OR JOVIAN: Solid Surface

A

Terrestrial planet

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7
Q

TERRESTRIAL OR JOVIAN: Slow revolution

A

Jovian planet

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8
Q

TERRESTRIAL OR JOVIAN: Many moons

A

Jovian planet

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9
Q

TERRESTRIAL OR JOVIAN: Slow rotation

A

Terrestrial planet

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10
Q

TERRESTRIAL OR JOVIAN: Less dense, massive

A

Jovian planet

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11
Q

These celestial bodies are typically located in a belt between Mars and Jupiter.

A

Asteroids

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12
Q

Bodies of ice and rock that originate from the Kuiper belt or from the Oort cloud

A

Comets

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13
Q

Smaller bodies of rock and dust that were once part of a asteroid, comet, or other solid clump of space rocks

A

Meteoroids

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14
Q

Also called a shooting star, the state of a meteoroid when entering the atmosphere

A

Meteor

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15
Q

The left over material of a meteor crashing down into the ground

A

Meteorite

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16
Q

Formed from the solar winds; elongated shape due to the Sun’s movement through interstellar space

A

Heliosphere

17
Q

Outer region of the heliosphere; solar winds slow abruptly while pushing against interstellar winds

A

Heliosheath

18
Q

A region in space where solar winds and interstellar winds reach an equilibrium in pressure

A

Heliopause

19
Q

A wave front where solar winds pile up against interstellar winds as the Sun moves

A

Bow shock

20
Q

Has self sustaining fusion; is able to surpass the hydrogen burning limit (0.075 solar masses)

A

Star

21
Q

Has little to no fusion

A

Stellar remnant

22
Q

Substellar object; substantial deuterium fusion; unable to surpass the hydrogen burning limit

A

Brown Dwarf

23
Q

Negligible fusion; orbits a star and/or remnant

A

Planet

Planetary Science (3 decks)

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