Our Solar System Flashcards

(23 cards)

1
Q

planets

A

orbit the sun, sphericle, does not share space of its orbit

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2
Q

geocentric theory

A

ancient mode of the solar system

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3
Q

Nicolaus Copernicus

A

created a solar system model

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4
Q

heliocentric theory

A

everything orbits the sun

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5
Q

perihelion

A

when a planet is closest to the sun

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6
Q

aphelion

A

when planet is furthest from the sun

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7
Q

dwarf plannet

A

orbit the sun, rigid spherical, share orbits with other bodies, are not asttelites

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8
Q

small solar system bodies

A

anything that isn’t a planet or dwarf planet

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9
Q

terrestrial planets

A

planets about the same size and density as earth

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10
Q

jovian planets

A

planets with dense gaseous atmoshperes

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11
Q

Meteroids

A

in space

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12
Q

meteor

A

in atmosphere

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13
Q

meteorite

A

reaches earths surface

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14
Q

asteroid

A

verry large medeor

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15
Q

Percival Lowell

A

built his own laboratory in search of finding another planet similiar to Neptune

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16
Q

Clyde Tombaugh

A

Discovered Pluto, numerous galaxies, comets and novas.

17
Q

kuiper belt

A

ring of inumerable objects that extend from the orbit on Neptune to as far as 55 AU from the sun.

18
Q

comet

A

small solar system object made of rock and different kinds of ices that orbits the sun.

19
Q

bolide

A

large chunk of rock that makes a streak and bursts, type of meteor.

20
Q

Trojans and greeks

A

asteroid families

21
Q

moon

A

natural sattelite

22
Q

inferior planets

A

closer to the sun than earth.

23
Q

superior planets

A

further from the sun that earth.