What keeps the Earth suspended in space?

The answer is gravity and angular velocity - the gravitational pull of the Sun on the Earth keeps the Earth from flying away and the fact that the Earth has angular momentum keeps it rotating around and not falling in to the Sun.
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What keeps the earth from falling in space?

That's because of gravity—the same force that holds us on Earth and keeps us all from floating away. To get into orbit, satellites first have to launch on a rocket. A rocket can go 25,000 miles per hour! That's fast enough to overcome the strong pull of gravity and leave Earth's atmosphere.
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What holds the earth in space?

Gravity is what holds our world together. However, gravity isn't the same everywhere on Earth. Gravity is slightly stronger over places with more mass underground than over places with less mass.
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What holds the Earth and the rest of the universe together?

Gravity is the force that all objects with mass exert upon one another, pulling the objects closer together. It causes a ball thrown into the air to fall to the earth, and the planets to orbit the sun. The tiny particles that make up matter, such as atoms and subatomic particles, also exert forces on one another.
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What force holds planets in space?

First, gravity is the force that pulls us to the surface of the Earth, keeps the planets in orbit around the Sun and causes the formation of planets, stars and galaxies.
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How do the Planets Stay in Orbit Around the Sun?



Why doesnt the moon fly into space?

The reason is that the Moon is never still. It constantly moves around us. Without the force of gravity from the Earth, it would just float away into space. This mix of velocity and distance from the Earth allows the Moon to always be in balance between fall and escape.
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How does the Earth stay floating?

In fact, the earth is constantly falling down. It's a good thing too, because that is what keeps the earth from flying out of the solar system under its own momentum. Gravity is a centrally attractive force, meaning that objects in a gravitational field always fall towards the source of the gravity.
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Why does Earth not float in space?

The Short Answer:

Earth's gravity is strong enough to hold onto its atmosphere and keep it from drifting into space.
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Why isn't the Earth pulled into the Sun?

The Earth is always being pulled towards the Sun by gravity.

The Earth is not moving fast enough to "escape" the Sun's gravity and leave the solar system, but it is going too fast to be pulled into the Sun. Therefore, it keeps going around and around - orbiting the Sun.
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How do satellites stay in orbit without falling into the Earth?

A satellite maintains its orbit by balancing two factors: its velocity (the speed it takes to travel in a straight line) and the gravitational pull that Earth has on it. A satellite orbiting closer to the Earth requires more velocity to resist the stronger gravitational pull.
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Why Earth doesn't fall on its own?

Right now, the reason Earth is stable against gravitational collapse is because the forces between the atoms that make it up — specifically, between the electrons in neighboring atoms — is large enough to resist the cumulative force of gravity provided by the entire mass of the Earth.
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Why dont we fall off the Earth?

But the reason you won't fall off the Earth is because of the force of gravity. This pulls us towards the middle of the Earth, and keeps our feet firmly on the ground. Read more: Curious Kids: how does gravity pull things down to Earth? This is why we call the ground “below us” and the sky “above us”.
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Is Earth going to crash into another planet?

NASA knows of no asteroid or comet currently on a collision course with Earth, so the probability of a major collision is quite small. In fact, as best as we can tell, no large object is likely to strike the Earth any time in the next several hundred years.
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Why do planets float in space?

In space, you are very far from Earth's center of gravity (other planets have gravity as well), so it doesn't pull very hard, and we basically float around.
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Can Earth fall into a black hole?

Despite their abundance, there is no reason to panic: black holes will not devour Earth nor the Universe. It is incredibly unlikely that Earth would ever fall into a black hole. This is because, at a distance, their gravitational pull is no more compelling than a star of the same mass.
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How is there no gravity in space?

Because gravity is everywhere in space, objects in space are always falling: towards the earth, towards the sun, and towards the galactic center. There are two reasons that objects seem to be floating without gravity in space when they are really falling. Each galaxy is held together by strong gravitational forces.
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Is it really zero gravity in space?

Some people think that there is no gravity in space. In fact, a small amount of gravity can be found everywhere in space. Gravity is what holds the moon in orbit around Earth. Gravity causes Earth to orbit the sun.
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Can Earth lose its gravity?

The only thing we know that affects a body's gravity is the amount of mass it contains. So to change Earth's gravity we would need to add or remove mass from our planet. But to make a noticeable change, we would need to move vast amounts of material. Another factor is the rate at which our planet rotates.
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Why are black holes black?

A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes.
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Why does Jupiter not have a strong pull on the Earth?

The gravity on Jupiter is greater than the gravity on Earth because Jupiter is more massive. Although Jupiter is a great deal larger in size, its surface gravity is just 2.4 times that of the surface gravity of Earth. This is because Jupiter is mostly made up of gases.
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What planet crashed into the Earth?

Theia is a hypothesized ancient planet in the early Solar System that, according to the giant-impact hypothesis, collided with the early Earth around 4.5 billion years ago, with some of the resulting ejected debris gathering to form the Moon.
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Will the Earth run out of oxygen?

Our Sun is middle-aged, with about five billion years left in its lifespan. However, it's expected to go through some changes as it gets older, as we all do — and these changes will affect our planet.
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Will the Earth hit the sun?

Finally, the most probable fate of the planet is absorption by the Sun in about 7.5 billion years, after the star has entered the red giant phase and expanded beyond the planet's current orbit.
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Is the sun getting closer to the Earth 2021?

We are not getting closer to the sun, but scientists have shown that the distance between the sun and the Earth is changing. The sun shines by burning its own fuel, which causes it to slowly lose power, mass, and gravity. The sun's weaker gravity as it loses mass causes the Earth to slowly move away from it.
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Why is Australia not upside down?

Remember that the Earth is a sphere, like a giant ball: so there is no "up" or "down", since a sphere is symmetric. That is, it looks the same no matter what way you look at it. So, people in Australia have just as much right to call themselves "up" as people in the Northern Hemisphere do!
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