brown

Tag archives for brown

Weekend Diversion: Walking on Water!

Clearly, neither the man nor the bull below is headed for anything good in their attempt to walk on water, and for that matter, neither is this poor, bristling cat, but what about this reptile? Unbelievably, this lizard actually can walk on water! And without using any surface tension tricks like insects do, either. No,…

Why are Brown Dwarfs so Dim?

Ahh, stars. Giant furnaces of nuclear fusion. Doing the stuff our Sun does, burning hydrogen fuel into helium (among other things) and emitting lots of visible light and energy in the process. But when we take a look at brown dwarfs, they aren’t like normal (i.e., main sequence) stars like our Sun. Instead of burning…