Starship Asterisk*

It is doubtful that there are very many astronomers in those galaxies except those who might be passing through on their way somewhere else. The same forces that pulled those galaxies into tails will also have significantly disrupted the planetary systems of the stars in those galaxies. If Earth wer...

I see this not as a lack of light in a hole but as a very dark filling of a hole. My evidence is in the in the HiRise version at http://hiroc.lpl.arizona.edu/images/2007/details/cut/PSP_3647_1745_cut_b.jpg Notice at about the 4 O'clock position in the original photo there appears to be a collapse of...

Nice image, but it seems to me to be quite inaccurate. Scaling the image, the refracted and scattered sunlight is extending to a whopping 280 km altitude. I'd expect the majority of the scatter to be below 50 km or so; in this image that would be a ~2-3 pixel band of red around the edge rather than...