Does Zero Gravity Exist If so, what is it

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Does Zero Gravity Exist? If so, what is it?
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Gravity holds many objects together in orbits.
Moons
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more moons
satellites
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comets
Comet Neat
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more comets
Comet Maccholz
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and astronauts and their space shuttles. But
wait
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Why do astronauts in orbit seem to float? Have
they escaped Earth's gravity?
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Calculate the force of gravity on a person on
Earth. You can use your own mass. Then calculate
the force of gravity if you were an astronaut in
orbit. Shuttles orbit the Earth at around 200
miles (about 322 km) above the ground. FgravGM1M
2/r2
G 6.67300 10-11 N m2/Kg2 MEarth 5.981024
Kg REarth 6.378 x 106 m
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According to your results, does all the floating
make sense? Is the force of gravity on Earth that
much different than the one astronauts
feel? What is happening here?
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The astronauts and their craft are falling. They,
AND their ships are in constant free-fall.
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Look at FgravGM1M2/r2 Gravity is always
attractive
solar system
galaxies
EVERYWHERE!
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Clusters of galaxies and gravitational lensing
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That's it!
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