In my previous post, I talked about the strong evidence for the presence of water ice in permanently shaded crater floors around the north pole of Mercury. Part of the evidence for this was the thermal modeling of surface and…
Month: January 2013
Ice On A Sun-Scorched Planet
The universe is full of surprises. More than once I have read an article about a new discovery and told myself something like this: “That can’t be right! They must have messed up somewhere, and we’ll read about how in…
Comets of 2013
Many of the patterns of astronomy are so regular that we quite literally set our clocks by them. Our notions of time are tied to the regular cycles of day and night and of the yearly seasons, all of which…
The “What Ifs?” of Science Fiction
If someone were to ask people who have one way or another made a career out of science or technology what they read in their childhood, the chances are very good that the common thread would be science fiction. I…
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