Astronomy - Astronomy - SAPL's Resource Guides at San Antonio Public Library

Links to the Library

Favorite Books

The American Ephemeris for the 21st Century: 2000 to 2050 at Midnight

This reference book is the most accurate ephemeris in the world and an indispensable part of every astrologer's library. In addition to planetary positions for every day, it includes a wealth of data including solar and lunar eclipses, and more.

The Cambridge Guide to the Solar System

This work provides a comprehensive and up-to-date description of the planets and their moons. Writing at an introductory level appropriate for high school and undergraduate students, Professor Lang leads the reader on a fascinating journey of exploration to the worlds beyond our home planet Earth.

Web Sites of Interest

National Aeronautics and Space Administration (NASA)
All those trips in space, you think they'd pick up a thing or two, and in fact they are one of the best spots for the latest space science information.
University of Texas Astronomy Program
Information and news from the Texas astronomy scene, with links to the McDonald Observatory in the Davis Mountains.
Texas Astronomical Society
The Texas Astronomical Society was chartered in 1955 to promote the study of astronomy and related fields and to pursue observation and construction of instruments as a hobby.
Astronomy Magazine
Web site for the respected magazine Astronomy. Good articles from current issues.
Sky and Telescope Magazine
Site maintained by the popular magazine of the same name. Useful for news, articles, and an excellent guide to the current night sky.
Planet Finder
This applet shows the locations of the planets, stars, moon, and sun in the sky from any location and for any date and time.
Rise/Set/Transit Times for Major Solar System Bodies and Bright Stars
This data service provides the times of rise, set, and transit for the major solar system bodies and selected bright stars. The output table also includes azimuth at rise and set as well as altitude at transit.
Space Weather
Outside the earth's atmosphere there is also interplanetary "weather." Find out What's up in Space.