I found an answer from www.quora.com

At what height does the Earth's gravity become zero and the Moon's ...

Weightlessness doesn't start at a height, it starts at a speed. This might seem weird, and that's because how we move in space is weird. Imagine for a second ...

For more information, see At what height does the Earth's gravity become zero and the Moon's ...

I found an answer from www.bbc.com

BBC - Earth - What would happen to you if gravity stopped working?

Feb 12, 2016 ... If the force of gravity just got switched off one day, floating off into space would ... That said, if gravity did get switched off we would have more ...

For more information, see BBC - Earth - What would happen to you if gravity stopped working?

I found an answer from www.khanacademy.com

Impact velocity from given height (video) | Khan Academy

Determining how fast something will be traveling upon impact when it is ... What if someone throws a ball with a velocity instead of being 0 velocity? ..... Since the motion of the object and the acceleration (gravity) is in the same ... If it's me kind of belly flopping from a high altitude, then the air resistance will start to matter a lot.

For more information, see Impact velocity from given height (video) | Khan Academy

I found an answer from www.britannica.com

Spaceflight | Britannica.com

There is no definitive boundary above Earth at which space begins, but, .... the Moon and lunar gravity (one-sixth that of Earth) becomes predominant. ... gravity. Upward velocity drops to zero at peak altitude, and the payload then begins to fall .

For more information, see Spaceflight | Britannica.com

I found an answer from www.smithsonianmag.com

The Future of Zero-Gravity Living Is Here | Science | Smithsonian

At two G, you have a sensation of being pinned down. ... But in the zero gravity era, going to space will be no more dramatic than ... miles up in low-Earth orbit, or they could be stationed farther out, between the Earth and the Moon. .... a couple of pairs of eyeglasses designed to correct their vision when it starts to change.

For more information, see The Future of Zero-Gravity Living Is Here | Science | Smithsonian

I found an answer from www.nationalgeographic.com

Facts About the Moon

Jul 16, 2004 ... The cloud rose to above 13,700 miles (22,000 kilometers) altitude, ... Learn about the explosion that started it all and how the universe ... The moon's gravitational pull on the Earth is the main cause of the rise and fall of ocean tides. ..... can take part in photo assignments, get expert feedback, and more.

For more information, see Facts About the Moon

I found an answer from www.nasa.gov

What Is Microgravity? | NASA

Feb 15, 2012 ... Microgravity is sometimes called "zero gravity," but this is misleading. Is There Gravity in ... Gravity is what holds the moon in orbit around Earth. Gravity ... Gravity, however, does become weaker with distance. ... The International Space Station orbits Earth at an altitude between 200 and 250 miles. At that ...

For more information, see What Is Microgravity? | NASA

I found an answer from en.wikipedia.org

Gravity of Earth - Wikipedia

The gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the ... Gravity does not normally include the gravitational pull of the Moon and Sun, ... All other things being equal, an increase in altitude from sea level to 9,000 .... ^{2}2\phi \right)\end{aligned}}} {\displaystyle {\begin{aligned}g\{\ phi \} .

For more information, see Gravity of Earth - Wikipedia

I found an answer from www-istp.gsfc.nasa.gov

"Get a Straight Answer"

Sep 17, 2004 ... Density of the Sun's corona and the "Scale Height" · Did Tesla ... How far does the Earth's gravity extend? How far is ... Is Absolute Zero reached on the Moon? Why isn't ... At what distance does Earth start looking spherical?

For more information, see "Get a Straight Answer"

I found an answer from earthobservatory.nasa.gov

Catalog of Earth Satellite Orbits

Sep 4, 2009 ... As satellites get closer to Earth, the pull of gravity gets stronger, and the satellite moves more quickly. ... At 384,403 kilometers from the center of the Earth, the Moon ... Changing a satellite's height will also change its orbital speed. ... and inclination at zero) will have a geostationary orbit that does not move ...

For more information, see Catalog of Earth Satellite Orbits

I found an answer from www.scientificamerican.com

If there is no gravity in space, why do "shooting stars" fall?

The astronaut is merely falling around the earth at the same rate as the shuttle is. If the velocity of the space shuttle were to suddenly become zero, it would fall ...

For more information, see If there is no gravity in space, why do "shooting stars" fall?