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