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If space junk means man-made objects, very few have left Earth-orbit. Of the ones in Earth-orbit many crash each year but the vast majority burn up because of friction as they come at high speed through the upper atmosphere.

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12y ago

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Why does the moon not crash on earth but stay in space and not float away or into earth?

The moon and other planets and their satellites are held in space by the force of gravity from other planets and satellites. If the moon tried to drift off into space, gravitational forces from the Earth will keep it from floating away. It doesn't crash into the Earth because planets and moons pull AGAINST each other and keep each other from drifting away.* * * * *Only partly true.The moon does not float away because of the action of earth's gravity - whether you view this as a force or a distirtion of space-time in the moon's path.The moon does not crash into the earth, not because of other planets or satellites, but because of the momentum of its orbit around the earth.


Is a gravitational field?

== == This is what keeps Earth in place. If there was no gravitational feilds, the Earth would crash into other planets, and space objects. It pushes the moon away from the Earth and the sun pushes the Earth away. Like repelling magnets. == == == == == == == ==


What is gravitational fields?

== == This is what keeps Earth in place. If there was no gravitational feilds, the Earth would crash into other planets, and space objects. It pushes the moon away from the Earth and the sun pushes the Earth away. Like repelling magnets. == == == == == == == ==


Why don't planets crash?

Each planet stays in it own orbit or path as it circles the sun. The orbits are very very very far apart. the planets never move out of their orbits so they never crash into each other. space probes that go from earth to Venus and Mars our closet neighbor planets have to travel for several months. space probes that go to the farther planets have to travel for years. :) Answer from my first book about space, a question and answer book.<3


What will happen if the planets do not follow their orbits?

If a planet doesn't follow its orbital path, then it may crash into other planets, moons and/or other object floating around in space.


What makes the planets not crash into each other?

The planets do not crash into each other because they are in constant motion around the sun due to their gravitational pull. Additionally, the vast distances between planets and the empty space in our solar system prevent collisions from occurring.


Why do the planets appear shiny from space?

Other planets appear shiny from Earth for the same reason the moon does, we see the other planets' reflected sunlight.


Has a space shuttle landed on any planets?

Once per completed mission, the shuttles have landed on Planet Earth.


Could you live on other planets besides Earth?

no because there is no oxogen in space


What was Ptolemy's idea on space?

that the earth was in the middle of the universe


Why do we have planets in Space were we don't live?

Space was born with planets we don't live in like Mars, Sun, And Jupiter. It need other planets to help keep Space alive forever. It can't just have Earth.


Does the earth and the moon have craters?

Yes!! Rocks and other space objects crash into them all the time!!