<chapter id="astroinfo">
<title>The AstroInfo Project</title>

<para>
Here you can find a collection of short articles that explain various
astronomical concepts used in &kstars;.  From coordinate systems to
celestial mechanics, you can find answers to your questions here.
</para><para>
The articles sometimes also contain exercises that you can perform with
&kstars; to illustrate the concept behind the article.
</para>

&contents;     <!--AstroInfo: Table of Contents-->

&skycoords;    <!--AstroInfo: Celestial Coordinate Systems-->
&cequator;     <!--AstroInfo: Celestial Equator-->
&cpoles;       <!--AstroInfo: Celestial Poles-->
&csphere;      <!--AstroInfo: Celestial Sphere-->
&ecliptic;     <!--AstroInfo: The Ecliptic-->
&equinox;      <!--AstroInfo: The Equinoxes-->
&geocoords;    <!--AstroInfo: Geographic Coordinates-->
&greatcircle;  <!--AstroInfo: Great Circles-->
&horizon;      <!--AstroInfo: Horizon-->
&hourangle;    <!--AstroInfo: Hour Angle-->
&meridian;     <!--AstroInfo: Local Meridian-->
&precession;   <!--AstroInfo: Precession-->
&zenith;       <!--AstroInfo: The Zenith-->

&julianday;    <!--AstroInfo: Julian Day-->
&leapyear;     <!--AstroInfo: Leap Year-->
&sidereal;     <!--AstroInfo: Sidereal Time-->
&timezones;    <!--AstroInfo: Time zones-->
&utime;        <!--AstroInfo: Universal Time-->

&blackbody;    <!--AstroInfo: Blackbody Radiation-->
&darkmatter;   <!--AstroInfo: Dark Matter-->
&flux;         <!--AstroInfo: Flux-->
&luminosity;   <!--AstroInfo: Luminosity-->
&parallax;     <!--AstroInfo: Parallax-->
&retrograde;   <!--AstroInfo: Retrograde Motion-->

&ellipgal;     <!--Elliptical Galaxies-->
&spiralgal;    <!--Spiral Galaxies-->
&magnitude;    <!--AstroInfo: The Magnitude Scale-->
&stars;        <!--AstroInfo: Stars: An Introductory FAQ-->
&colorandtemp; <!--AstroInfo: Star Colors and Temperatures-->

</chapter>