Interesting External Astronomical Web Sites

Web addresses (URLs) for external web sites may change without notice, so if any of the addresses listed below are not currently active, you can try finding the new URL by doing a search on the topic.

Web Sites coordinated with the chapters of astronomy texts: 
            Voyages Through The Universe        http://www.harcourtcollege.com/astro/fraknoi/students.html
            Discovering the Universe                    http://www.whfreeman.com/dtu/
            Universe                                                http://www.whfreeman.com/universe/

Astronomical Society of the Pacific list of Web Links        http://www.aspsky.org/links/sites.html

Astronomy Web Simulations            http://instruct1.cit.cornell.edu/courses/astro101/java/simulations.htm

Astronomy Interactive Applets 
         http://www.mhhe.com/physsci/astronomy/arny/student/anims/index.mhtml             http://www.mhhe.com/physsci/astronomy/applets/home/Atom/Atom.html

Astronomy (and Physics) Lesson Plans            http://instruct1.cit.cornell.edu/courses/astro101/java/simulations.htm

Astrophysics Data Systems                    http://adsabs.harvard.edu/ads_abstracts.html

Bradford Robotic Telescope Observatory        http://www.eia.brad.ac.uk/rti/

Free Astronomy Software Which Can Be Downloaded      http://www.accretiondisk.org/

Galaxy - Astronomy                        http://www2.galaxy.com/galaxy/Science/Astronomy.html

Galaxy Page                                    http://www.seds.org/galaxy/

Heavens Above (satellite tracker)    http://www.heavens-above.com/main.asp?Loc=Bethlehem&Lat=40.626&Lng=-75.371&TZ=EST

Interactive Astronomy Images:
    SIMBAD   http://simbad.u-strasbg.fr/Simbad
    Aladin        http://aladin.u-strasbg.fr/
    NED          http://nedwww.ipac.caltech.edu/

Latest Hubble Observations            http://oposite.stsci.edu/pubinfo/latest.html

Michigan Electronic Library            http://mel.lib.mi.us/science/spaceind.html

NASA Observarorium                    http://observe.ivv.nasa.gov/nasa/core.shtml.html

NASA Skywatch for the International Space Station                      http://spaceflight.nasa.gov/realdata/sightings/SSapplications/Post/JavaSSOP/JavaSSOP.html

NASA Space Sciences Index            http://www.nasa.gov/hqpao/nasa_space_sciences.html

Nine Planets                                    http://www.seds.org/nineplanets/nineplanets/

SEDS Space Images Archive            http://www.seds.org/images/

Space Science Educational Resource Directory        http://teachspacescience.stsci.edu

Sun-Earth Viewer         http://ds9.ssl.berkeley.edu/viewer/flash/flash.html

Sun, facts about . . . . . http://www.mjjsales.com/articles/basic-facts-about-the-sun.html

20,000 Mars Photographs                http://www.msss.com/moc_gallery/index.html