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gravity
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What the force the pull you towards the center of a planet or star?
gravity
What is The force that pulls the nuclear explosion back into the star?
the dark side of the force
How do gravity and fusion have opposite effects on a star?
This fusion gives off energy, which expands the surface of the star. Gravity pulls the outer parts of a red giant towards the center.
Which planet is called the north star?
The north star is a star, not a planet. It is called Polaris. The planet Venus is called the Evening Star
Can a star be a planet?
No - a star is a star and a planet is a planet. See related questions.
Why does the force that pulls you towards the center of a planet or star?
Gravity.
What the force the pull you towards the center of a planet or star?
gravity
What is The force that pulls the nuclear explosion back into the star?
the dark side of the force
How is a planet orbiting another star detected?
a planet has it's own weak gravity that pulls the star it's orbiting as it orbits, as the star gets pulled around by the planet, scientist on Earth see the star wobbling, and then they know there is a planet!
What force make a star?
All of the forces act to make a star. Gravity is the main force, which pulls everything together, and the other forces ignite the star.
What force acts between a planet and a star to cause variation in the motion of the star?
The effect on the star is usually quite small, but the force is "gravity".
What force pulls the moon and earth toward each other?
gravity
Why planet revolve not attached to the star?
During the revolve two forces acts on it that it centripetal force and centrifugal force. when planet approaches near the star due to centrifugal force and get attracted due to centripetal force.As both forces act simultaneously .Hence planet revolve
What is one indication that a planet may exist near a distant star?
If a distant star has a slight back and forth motion then it may be located near a planet. The gravitational force of the planet will cause the star to move.
How do gravity and fusion have opposite effects on a star?
This fusion gives off energy, which expands the surface of the star. Gravity pulls the outer parts of a red giant towards the center.
Is it possible for a star to revolve a planet if the planet is big enough and the star is small enough?
Yes, As long as the planet has a big enough gravitational force. Wrong! By definition, stars do not rotate their planets - only the opposite can occur.
A net external force acts on a particle this net force is not equal to zerois this sufficient information to conclude that the kinetic energy of the particle change?
No. Example: A planet in a circular orbit around a star. The net external force acting on the planet is the mutual force of gravitation between the planet and the star. The planet's speed is constant, so its Kinetic Energy = 1/2 m V2 is constant. The net external force causes a continuous change in the planet's velocity vector, although the magnituide of the vector is constant, and that's the only thing the K.E. depends on.
