... Did you know that our Milky Way Galaxy has huge bubbles emitting gamma rays from the direction of the galactic center? ... In one of the more precise alignments known in the universe, what is pictured above is actually a disk galaxy being seen almost perfectly edge on. ... 700 Kilometers Below Comet Hartley 2 . ... Last week, NASA's robotic EPOXI spacecraft whizzed past Comet 103P/Hartley, also known as Comet Hartley 2, and recorded images and data that are both strange and fascinating. ...