PoliteSarcasticThing

Also good advice for having sex.

I'm just gonna chime in here and say: Exoplanets. Unknown in the '80's, some thought that planets orbiting stars were extremely rare. Now, we know of hundreds of exoplanets, with more being discovered every year.

I suggest placing yourself in unsafe proximity to a source of gamma radiation, or something similar.

kj6dou is absolutely correct.