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Astronomy stuff

Three excellent free planetarium software
IMG Stellarium (Windows, Mac, Linux, Web)
IMG Cartes du Ciel - Sky Charts (Windows, Mac, Linux)
IMG XEphem (Linux - Solaris - OS X - FreeBSD: I have all the catalogs!)
My pics

IMG Some of my astrophotography


This is a collection of programs for gravitational simulation of the n-body problem (i.e., gravitational evolution of n point masses under given initial conditions), and the central (restricted) (n+N)-body problem. I made them in C++ with a TCL graphical interface, so they work under Unix and Linux. Here you have a precompiled RPM binary (RedHat Linux 9.0). Please contact me if you want the source codes.

Quick history
ooo Some Astronomy History
ooo JWST Pictures
ooo STScI/HST Pictures
ooo NASA K-12: Live from the Hubble
ooo SOHO Database
ooo JPL image archive
ooo Constellations and Stars