Starship Asterisk*

Hey all, I just saw this featured on Slashdot. One of the posters there linked to a PDF that discusses the original images from Mars Odyssey: http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1371.pdf Among the details are the conclusion that they are indeed skylights, not deep craters and not surfaces...

I've been inside the lava tubes on Lanzarote (Canary Islands) and there are places where the roof has collapsed above a lava tube and you can't see anything inside from above because of the overhanging roof around the holes. I'm fairly confident that this looks like just that sort of thing. Well, as...

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 o...