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What is the shape of a comet’s orbit?
What happens to the speed and velocity of an object in a circular orbit?
If an object in orbit moves faster, the radius of the orbit will…
What force keeps planets in orbit around the Sun?
Fill in the blank: The Earth is very large, so it exerts a strong gravitational ______ on the Moon.
Why do comets form tails?
Does the comet’s tail point towards the Sun or away from the Sun?