A Japanese spacecraft just blasted a new crater into an asteroid

A Japanese spacecraft about 186 million miles from Earth dropped a can of explosives on an asteroid last night, excavating a crater on the rough surface. Eventually, the spacecraft will inspect the new crater, and it may even grab a sample from it, helping scientists learn more about the asteroid’s interior.
The prospecting vehicle is Hayabusa2, a spacecraft operated by the Japan Aerospace Exploration Agency. Launched in 2014, Hayabusa2 traveled to a near-Earth asteroid named Ryugu, and i