[a lot of these links are now broken; my apologies, but the internet has become a very dynamic place since this page was first assembled in 1993]
Astrophotography -- by by George Greaney
Skyphotography -- by Tom Polakis
Teacher Space Education Resources from NASA
What's Up?, from Sky and Telescope Magazine
A multi-wavelength tour of the Orion region
Live close-up images of the sun
Phase of the Moon , an image of the moon's current phase (or that for any specified date)
Photos of the Moon , Photos and quizzes about the moon. Also many other solar system objects.
Data on Sun/Moon Rising and Setting Times, Positions, Eclipses, etc from USNO
Information about eclipses, from the Exploratorium
Astronomy on the Net, a set of links from the ASP
List of Planetaria (not planetariums), also from the ASP
Planetary Photojournal, from NASA
The International Dark-Sky Association
Mount Wilson Observatory Online Stargazer Map generates locations of stars, planets, and other objects of astronomical interest for a given date and place.
The Constellations by J. Wallin, provides maps of specified constellations
Stars and Galaxies in 3D (VRML), by Paul Houle and Harry Bowman
Solar System Live
allows you to view locations/motions of the planets around the sun
based on given dates
Views of The Solar System
is an extensive set of pages on the planets,
plus links to other astronomical topics
Universe Today -- all kinds of astronomy/space links
Earth Viewer
allows you to look at the (simulated) earth from any point,
even from the sun or the moon
Satellite view of the earth's full disk over a full year,
allows you see the change in the sun's illumination of the earth
due to the earth's tilt, from NRL-Monterey (3.5 MB)
Real pictures of the sun, from NASA
Astronomy Picture of the Day, from NASA
Auroral activity maps, from NOAA
Aurora Borealis, information on the northern lights
Pictures of Nebulae, by Bill Arnett
The Nine Planets, by Bill Arnett
NASA Gallery of photographs, video, and audio
has lots of pretty pictures plus links to other sites with pretty pictures
Hubble Space Telescope Information,
from STScI
Frequently Asked Questions About Being an Astronomer, from NOAO
Careers in Astronomy
from the AAS describes preparation for a career in astronomy and
related fields
Star Child - A learning center site for young astronomers,
educational information directed towards children in grades K-8
Imagine - A learning center site for young astronomers,
educational information directed towards children in grades 9-14
Astronomy Information Leaflets,
a series of pamphlets on basic astronomical data
from the Royal Greenwich Observatory
Star Facts -- January 1996 Article,
a short blurb on star formation
(my area of research)
Stellar Birth ,
a tutorial on star formation from NASA
Scientific American references,
a list of article titles on astronomical topics from 1982-1992
K-12 Curriculum Material,
a developing site of introductory level material from the Athena project
on the solar system, the sun, and (coming soon) the rest of the universe
History of Astronomy, an excellent source of historical information
Coordinates in the Astrophysics Data System
explains the time and space coordinates used in astronomy
(although this link appears currently to be dead)
Astronomy Lecture Notes
from an introductory undergraduate astronomy class, by Nick Strobel
(plus
alternate site)
Multi-wavelength image gallery from IPAC
College-Level Astronomy courses on the web
Astronomy 100-level lecture on the star formation process,
from Terry Herter
Animation of star formation process,
from Chaisson
Simulations of Astronomical Phenomena, also from Terry Herter,
has fantastic graphics of binary star orbits and of stellar evolution
The Hydrogen Main Sequence Calculator,
by Martin Weinberg
Cosmology Tutorial by Ned Wright
Variable Star Net
Animated and informational tutorials on the topics of
Additional animated tutorials on
Stars and Galaxies
The state of the art on
Searches for Extrasolar Planets
and the well-maintained
Extrasolar Planet Encyclopedia
also
here
Fun with
Blackbody Radiation in VRML,
and
the Inner Solar System in Java,
both by Karen Strom
AstroWeb , an extensive database of research-oriented links from the CDS
And for the Slightly More Technical-Oriented.....