The First Full-Sky Image from the Planck Microwave Telescope

7/10/10 7:02:22 pm
re: #213 Irenicum No prob. I think, on reflection, it wasn't merely following the ACLU that triggered them to follow us, but following some gay rights organisation or other or tweeting something from one. Maybe the combination. Anyway it's probably ...

Video: The Hubble Ultra Deep Field in 3D

8/15/09 7:38:49 am
re: #15 Charles What confuses me about this is that, had galaxies actually receded faster than the speed of light, gravitational effects would have made them ultra-massive. Yet space-time can recede at that rate without gravitational consequence. This would seem ...