Shockwaves Are Driving This Galaxy To Its Imminent Doom

This galaxy looks like our own Milky Way, except for a pair of spiral arms emerging out of the galactic plane. That one anomaly is enough to radically change the evolution of NGC 4258, as powerful jets are generating shockwaves driving gas right out of the galaxy and slowing star growth to a crawl. »9/10/14 1:03am9/10/14 1:03am

Our Future Galactic Overlords Glow Red With Power Lust

Do you notice anything funny about this picture of NGC 6946, the "Fireworks Galaxy"? Like that lurid wealth of red splotches, for example? The bright red areas represent regions in the galaxy that are actively forming new stars, and there do seem to be an awful lot of them. Could we be facing a star-formation gap with… »6/23/08 7:16pm6/23/08 7:16pm