Asteroid Apophis Is Coming Back And NASA Has a Risky Plan
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Somewhere out there in the solar system, orbiting the Sun every 271 days, is an asteroid called 2023 DW that was recently spotted when it came within just 9 million kilometers [5.6 million miles] of Earth. It is a 50 meter [165 feet] diameter rock. About the same size of rock that caused the Tunguska Event.

NASA said 2023 DW had a “1 in 560 odds'' of hitting the Earth in 2046, giving us a pretty good chance the rock will miss the Earth entirely.

But what would happen if something changed its orbit, and it was suddenly on a collision course with Earth?

What level of devastation would result from such an asteroid impact if it happened over a city, and not in the frozen wasteland of Siberia. Could we deflect or push this asteroid away from Earth before it hits us?