Surreal picture captures fireworks, lightning, and a comet

Well, this picture is 3 years old or so, but I haven’t seen it, so I figured there’s a chance some of you guys might have missed it too. Taken in Perth, when some locals were out on the beach to see the fireworks, the picture also captures spectacular lightning, but the really amazing thing is [...]

Hubble shows 2 galaxies that are just losing it

Ram pressure is the pressure exerted on a body when it passes through a fluid medium; this causes a drag force that is exerted on the body. The same pressure appears when a galaxy is moving through an intergalactic gas, and in this case, the ram pressure can sweep a significant part of the intergalactic [...]