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8 Cards in this Set

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What does gravitational field strength depend on?

-mass of the body creating the field


The larger the mass of the body...

The stronger the g.f.s

-1 point

The closer you get to a star or planet...

-the stronger the g.f.s

- 1 point

The stronger the force...

The larger the instantaneous velocity needed to balance it

The closer to a star or planet you get...

The faster you need to go to remain in orbit.

Name the planets in order of distance away from the sun


Describe the geocentric model.

-sun, moon, planets and stars orbited the Earth

-orbited in perfect circles

-bc there were no telescopes

-accepted from ancient Greeks until 1500s

Describe the heliocentric model.

-the earth and all the planets orbited the sun

-orbited in perfect circles