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Solar System Part A Flashcards | StudBud
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Solar System Part A
Solar System Part A
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StudBud Administration
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Accompanies 28.1 of Glencoe Earth Science
Flashcards
11 cards
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Practice quiz
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Host live
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Questions
11
Answers
1
Who is credited with discovering the shape of the planets' orbit around the Sun?
Copernicus
Brahe
Galileo
Kepler
2
If the major axis of an orbit is 1.5 AU and the distance between the foci is 0.3 AU, what is the eccentricity?
0.33
5
3
0.2
3
When is a planet closest to the Sun?
epicycle
perihelion
1 AU
aphelion
4
Who is credited with discovering the law of universal gravitation?
Newton
Kepler
Brahe
Copernicus
5
What unit represents the average distance between the Earth and the Sun?
gigameter
parsec
lightyear
astronomical unit
6
The path of this planet would best be described as a(n)
ellipse
circle
oblong
perwinkle
7
Interstellar cloud
look pretty at sunset
brings heavy rains
cover the Sun during the day
gas and dust from which stars and planets form
8
What explains why the Sun governs the motion of all planets in our solar system?
telescopic observations
law of universal gravitation
retrograde motion of planets
Kepler's third law
9
What is the eccentricity of a perfect circle?
0.5
2
0
1
10
Solid bodies hundreds of kilometers in diameter that merge to form planets are known as
exoplanets
boulders
planetesimals
interstellar cloud
11
What does it mean to have a sun-centered solar system?
ptolemic universe
geocentric
flatlanders
heliocentric
