illustration shows spacecraft with two long solar panel wings and blue engine fire approaching an asteroid
Illustration of DART approaching Dimorphos.
NASA/Johns Hopkins APL

NASA made history on Monday when it deliberately crashed a spaceship into an asteroid about 6.8 million miles away.

Scientists hope that the mission will give them information about the best way to protect Earth.

Even though there is no immediate danger, experts say that we would be unprepared if a large asteroid were to pass by.

This experiment uses 13 facts, photos, and graphs.

asteroid russia Chelyabinsk
A house-sized asteroid streaks above the skies of Chelyabinsk, Russia in 2013.

Insider's Morgan McFall-Johnsen reported that there have been two recent instances in which asteroids came close to the Earth and weren't seen until it was too late.

An asteroid the size of a house shattered windows and collapsed buildings in Chelyabinsk, Russia, in the summer of 2013). More than 1000 people were hurt.

A big asteroid passed within tens of thousands of miles of Earth in 2019. The experts spotted it a few days ago.

About 40% of asteroids that fly by the Earth can only be tracked by experts.

The full story can be read.

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