One of the things that confused my when I started reading about chaos is easy to
explain using what we've covered about attractors. (The image to the side was created by Jean-Francois Colonna, and is part of his slide-show here)
Here's the problem: We know that things like N-body gravitational…
Doug Hamilton has a nifty Astronomy Workshop web page, with lots of fun little tools.
I had used some of these for my "Stars for Poets" course, but was reminded of them when looking at Bad Astronomy this morning.
Doug has a Generic central force integrator, an issue which came up recently of…
Final session of ExSSII on Earths, Super-Earths and Habitability
Dimitar Sasselov - high density exoplanets
HAT-P-20b - 14 gm/cc - hot 7 M_J giant planet, no prob modeling as degenerate H/He core
Kepler-10b - 9 gm/cc - rocky
Earth's central density 13 gm/cc
Super-Earths expected to…
Sorry for the slowness of the blog; I fell behind in writing my book, which is on a rather strict schedule, and until I got close to catching up, I didn't have time to do the research
necessary to write the next chaos article. (And no one has sent me any particularly
interesting bad math, so I…