Luna thought that Ron might suffer from a variety of this problem.

Awe-inspiring: a type II-P supernova caught in mid-burst. The explosion takes months, then hours, then no time at all. (Kind of like Hemingway’s character’s bankruptcy.)

An MIT course in how to make your own videos to publish on YouTube. (Ignore the headline.)

Finally, a beautiful video of undisturbed places. Trust me.