Links to other sites:
Asteroid Rotation
Astronomy Clubs
Astronomy and Space Magazine
Astronomy Now Magazine
Astronomy Picture of the Day
Aural Moon
Centauri Dreams
Centaurs
Cosmological Calculator
Earth and Sky
Galaxy Distances
Globular Clusters
Hipparcos: New (2007) Data
Hipparcos: Old (1997) Data
Hubble Space Telescope
James Kaler
Medieval Calendar
Moon Count
Moon Phases--Past, Present, and Future
Nature
Nearby Dwarf Galaxies
Nearby Galaxies
Nearest Stars
NED (NASA Extragalactic Database)
New Scientist
Novae
Physics World
Pluto Blog
Pulsar Catalogue
ScienceNOW
Simbad
Solstation.com
Space.com
Star Date
Sunrise and Sunset
Supernovae
Time
Trans-Neptunian Objects
Trojan Asteroids
Universe Today
A Voyage to Arcturus
White Dwarfs