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Ch. 2 The Solar System Flashcards | StudBud
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Ch. 2 The Solar System
Ch. 2 The Solar System
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observing the solar system, the sun, the inner/outer planets, comets/asteroids/meteors
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1
7. A sun-centered system of planets was developed by
Galileo
Issac Newton
Copernicus
Ptolemy
2
2. What lies between the orbits of Mars & Jupiter?
solar system
terrestrial planets
asteroid belt
photosphere
3
4. A stream of particles that are produced by the sun's corona is called
momentum
prominence
chromosphere
solar wind
4
1. A chunk of ice and dust that has a bright head and a long narrow tail
comet
meteoroid
planet
asteroid
5
16. Explosions that occur when gas on the surface of the sun becomes extremely hot are called
prominences
meteorites
solar flares
sunspots
6
11. Areas of gas on the sun that are cooler than the gases around them are called
prominences
flares
sunspots
comets
7
10. Kepler used Brahe's observations to show that the orbits of the planets are
elliptical
geocentric
circles
triangles
8
14. The tendency of an object to stay in motion or remain at rest is called
heliocentric
gravity
inertia
geocentric
9
12. _______ are Meteoroids that enter our atmosphere & hit Earth w/o completely burning up
comets
meteorites
meteors
asteroids
10
3. The planet Venus rotates east to west, which means it has
tilted axis
almost no atmosphere
no sunrise
retrograde rotation
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8. Loops of gas on the sun that link sunspots together
magnetic storms
solar flares
prominences
particle streams
12
20. The force that pulls the moon toward Earth is called
inertia
moon struck
gravity
moon pull
13
9. This planet has a tilt of 90 degrees from vertical & rotates on its side
Venus
Saturn
Jupiter
Uranus
14
13. Meteoroids usually come from asteroids or?
meteorites
meteor showers
comets
acid rain
15
18. The sun's energy comes from nuclear
fusion
reaction
fission
bombs
16
19. What shape are the orbits of most comets?
spherical
long, narrow ellipse
circle
nearly circular ellipse
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17. Chunks of rock/dust in orbit that are too small/numerous to be considered planets are
meteoroids
asteroids
meteorites
meteors
18
6. The flash of light produced when a meteoroid passes through Earth's atmosphere is a (an)
meteorite
asteroid
meteor
comet
19
5. The 4 terrestrial planets are known for their
hot temps
rocky surfaces
large size
deep atmospheres
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15. A sun-centered system is called
geocentric
heliocentric
Newton's model
Earth @ center
