Determine how large an asteroid must be to release the same destructive energy on impact as a one-megaton nuclear warhead.

One of the smaller planets in the inner Solar System is an asteroid. Asteroids are metallic or rocky bodies without an atmosphere, ranging in size from 1-meter pebbles to a dwarf planet with a diameter of over 1000 km. In the end, according to scientists, an asteroid would need to be roughly 96 km (60 miles) wide in order to completely and totally eradicate life on our planet.

As a result, the likelihood that such an object will strike us in any given year is approximately 1 in 300,000, which is not a concern. Numerous experts think that 65 million years ago, close to the modern-day Yucatan peninsula of Mexico, Earth was struck by an exceptionally huge asteroid with a diameter of around six miles.

The force of the impact and its ripple effects on the ecosystem would cause immediate change if an asteroid that size struck Earth today. If the asteroid impacts to water, experts predict that we would experience fires, shock waves, heat radiation, a sizable crater, acid rain, and enormous tsunamis.

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