It’s been 30 days since Uranus first appeared in the sky. At first, it looked like our Moon had found itself a stellar partner. But then, we understood something much, much bigger was headed our way.

What if we actually NUKE URANUS? No, seriously — what would happen if we sent every nuke on Earth straight to the seventh planet? Would it blow up? Catch fire? Turn into a second Sun? Or just make the ...