Here's Why NASA Just Crashed a Spacecraft Into an Asteroid

One of the most common doomsday scenarios is an asteroid crashing into Earth.

That’s what (probably) killed the dinosaurs, after all.

The test had the aim of intercepting an asteroid calledDimorphos.

Here’s Why NASA Just Crashed a Spacecraft Into an Asteroid

The asteroid itself wasn’t threatening Earth at all.

So why did NASA strike it?

Now comes the more important part: was it successful?

The asteroid was stricken, but we remain to know if that impact did something significant.