Starship Asterisk*

http://antwrp.gsfc.nasa.gov/apod/ap070823.html Is it just me, or does anyone else have real problems resolving these kind of images as craters and not bumps? It takes me a good few minutes of squinting and staring and looking at other details before I can perceive the craters as concave. :shock: Doe...

Is it likely that all spiral galaxies have a black hole at the centre? I ask as I'm looking at today's image of Andromeda and noting that it's often compared to the Milky Way. The thought that we're all being sucked inevitably down a plughole, no matter what galaxy we travel to, is a bit bewildering...