There are more than one million asteroids that have been observed and cataloged by NASA, with an estimated 34,000 of them near the orbit of the Earth.
Of these, nearly 70 are considered large enough to damage the planet catastrophically, though scientists state that they still represent very remote chances. But as the largest asteroids work in the biggest orbits, there are potentially many more that have yet to be observed.
With the recent success of NASA’s DART mission showing that these distant bodies can have their orbits altered, there’s hope that one day humankind can avert a global disaster while at the same time giving another planet, like Mars, a meteor shower to behold.
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