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Solar System Flashcards | StudBud
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Solar System
Solar System
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astronomy
Flashcards
10 cards
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Questions
10
Answers
1
What two things keep the planets in their orbits, revolving around the sun?
gravity and inertia
inertia and heat
gravity and pressure
inertia and pressure
2
What caused the sun to form in the center of our nebula?
other stars
intense heat and pressure
intense light
density
3
Which of the following is NOT a characteristic of OUTER planets?
higher density
have rings
longer year
more satellites
4
The closer the planet is to the sun the _______________
larger it gets
faster it travels
larger it's orbit
slower it travels
5
Measurement used in space that is the average distance between the earth and the sun...
astronomical unit
kilometer
physical unit
spherical unit
6
Which space bodies collided together to form planets?
comets
moons
protosuns
planetesimals
7
Which of the following are NOT characteristics of INNER planets?
terrestrial
smaller in size
higher density
more satellites
8
Which of the following is a characteristic of all planets?
has an atmosphere
has satellites
produce their own light
revolves around a star
9
A collection of stars held together by gravity is known as a ______
galaxy
universe
solar system
10
If the distance between two objects increase than it's gravity will
decrease
increase
stay the same
