Trillions of them, at least. Luckily for us, distances in space are huge,
and the things that can destroy Earth are far away.
This is because some of the things that existed were eaten by other things and so ceased to exist.
it contains the temperature of the Earth and blocks harmful rays from the sun and from outer space. with out it, Earth would be either too hot or too cold to live in and many harmful rays would reach and destroy the earth
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Because people have a desire to travel in space and live in space. Science also has a reason to be in space. Many experiment are done in space and the moon landings were an attempt to find out more about the places and things, which are possibly outside of Earth.
explotion destroy many things. It would have not left evidence behind we can find with our space machines or optics.
Sputnik, the first rocket into space many things to do with space: they got the first person into space the first satellite to launch into space the first orbit around the earth the first living being into space the first woman into space etc.
There are so many things on earth that you nor I will be able to say.
Technology has improved in many ways. Telescopes, Space probes and space shuttle along with many other things help us get a better knowledge of space. More powerful telescopes let us see things very far from earth. Good space probes go more far out in space and are able to learn more about space. Space shuttles do the same thing as space probes but only have humans
Destroy as many things as you can and then you will get maestro i hope this helps.
328,084
None, they're all on the earth.
366.897 days is a space day