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Why does a planet move faster when close to the Sun?
gravity from Sun pushes harder so it goes faster
solar energy speeds it up
gravity of Sun pulls harder so it goes faster
Which statement is true?
The galaxies are moving toward us.
The galaxies are moving away from us.
The universe remains static or unchanged in motion.
None of the above
Light emitted from a star or galaxy can be separated into a band of colors, called a ________.
The time it takes for an orbiting object to make one orbit
The curved path an object takes when orbiting another object
Orbiting objects travel in the shape of ___________
an egg shape
The force of attraction between any two objects is _________.
A tool used by scientists to analyze the different wavelengths of light.
The difference between a circle and an ellipse is that an ellipse has _________ focal point(s).
According to the formula for gravity, if objects get closer together the force of gravity will __________.
stay the same
go up, then down
Using the gravity formulaexplain what would happen to the force if the mass of object one triples and the mass of object two triples.
3 times bigger
6 times bigger
9 times bigger
12 times bigger
Using the gravity formulaexplain what would happen to the force if the distance between the two objects doubles.
double the force
quadruple the force
1/2 the force
1/4 the force