* planets for a given time, date, season, earth location, etc.
* (SGEphemeris)
*
+ * - Code to render a realistic sky dome, cloud layers, sun, moon,
+ * stars, and planets all with realistic day/night/sunset/sunrise
+ * effects. Includes things like correct moon phase, textured moon,
+ * sun halo, etc. (SGSky is built on top of SGCloudLayer ...)
+ *
* - Simple serial (SGSerial), file (SGFile), socket (SGSocket), and
* UDP socket (SGSocketUDP) I/O abstractions.
*
*
* - A sound effects manager. (SGSoundMgr, SGSimpleSound, SGSound)
*
- * - A threading abstraction.
+ * - A threading abstraction. (SGThread)
*
* - A simple but highly functional XML parser that interfaces nicely
- * with the property manager.
+ * with the property manager. (easyxml.hxx)
* \section supports Supported Platforms
* SimGear has been built on the following platforms: