Random Stuff

Twinkle, Twinkle Little... Planet?!

I've been told on more than one occasion that you can tell planets apart from stars in the night sky because stars twinkle and planets have a more steady light. 

I've never seen a sky full of twinkling stars. They shine with a constant light, not fluctuating visibly. 

What's weird, though, is that sometimes somebody will point out a planet, and explain that they know it's a planet because blah-blah-blah and it isn't twinkling. And I'll look up at where they're pointing, and wonder how it's possible that I see the only dot of light in my field of view that isn't supposed to change as the only one that is fluctuating.