1. Imagine the Universe! -- A comprehensive site from NASA that covers an amazing range of topics, including Origin and Destiny of the Universe, Growth of Massive Black Holes, Nature of Dark Matter, Evolution of Known Structures, The Solar Corona ... and dozens and dozens more!
  2. NOVA - Runaway Universe -- This incredible site is what the Web should be!! Interactive multimedia, up-to-date information from leading researchers, and crisp content!! From the site: "The program follows the efforts of two rival teams of astronomers as they search for exploding stars, map out gigantic cosmic patterns of galaxies, and grapple with the ultimate question: What is the fate of the universe?" Do not miss out on one of the best sites on the Web!
  3. The Universe -- Tremendous site from the University of Michigan, with lessons and news regarding the following "Universal" topics: Understanding the Sky, Constellations, Maps, Star, Star Dus, Strange Stuff in Space, Galaxies, and The Cosmos. Includes links to Space Science News, News & Discovery, Image Archives, and lessons on each of the nine planets, comets, asteroids, and other celestial bodies. A complete universe resource!
  4. PBS - Timeline of the Universe -- From the incredible "Mysteries of Deep Space" site, an interactive timeline that details the evolution of the Universe! Also check out Stephen Hawking's Universe for more analysis on evolution from the beginning of time!
  5. BBC Science - Space -- An amazing collection of multimedia and interactive resources on space! Pages include: Constellations Guide, Horizon - Space, Mars Special, Seeing Stars, Solar Eclipse, Sky at Night, Space Knowledge, Space WebGuide, The Planets
  6. Melbourne Science Museum - Universe -- A beautifully illustrated compendium of information on space and the universe, from The Melbourne Science Museum's Planetarium.
  7. Hands-on Universe -- Interactive activities that help explain the mysteries of moons, planets, stars, comets, nebulae and galaxies.
  8. Astronomy - -- From the good folks at Kapili, several lessons on the Universe - including: Origins of the Universe, Comets & Asteroids, EM, Radiation, Mass, Gravity, Planets, Stars, Black Holes.
  9. Hertzsprung-Russell Diagram -- A couple of basic overviews of how to create and read a Hertzsprung-Russell diagram.


  10. NASA - Big Bang -- From the site: "The Big Bang Model is a broadly accepted theory for the origin and evolution of our universe. It postulates that 12 to 14 billion years ago, the portion of the universe we can see today was only a few millimeters across. It has since expanded from this hot dense state into the vast and much cooler cosmos we currently inhabit." Also see this other NASA Big Bang Theory Site.
  11. Big Bang Cosmology Primer -- From UC-Berkeley, an introductory unit on the Big Bang Theory.

    Evolution of the Solar System
  12. The Nine Planets -- Phenomenal site detailing the evolution and development of the planets in our Solar System. Includes detailed descriptions for each planet, and all moons and other celestial bodies. A history of the solar system, information on other solar systems and a glossary of terminology are also featured. Don't miss this site!!!
  13. Space - BrainPop -- Another amazing set of movie/activity extravaganzas from Brainpop! See flash movies about The Solar System, The Sun, The Moon, Saturn, Jupiter, Eclipses, Stars, and the Big Bang Theory, and participate in related online experiments and activities!
  14. All About the Solar System -- On-line lessons about the solar system, including the following topics: 1.What is the Solar System? How many planets are there in our solar system? How did the solar system form? How old is the solar system? How big is the solar system? Are there differences among the planets in our solar system? What is the asteroid belt? Where do comets come from? Can you see any planets with the "naked eye"? Which planets are called the "rocky" or "terrestial" planets? Which planets are called the "gaseous" planets? Which planets have rings? Can the Hubble Space Telescope take pictures of all the planets in our solar system? Can the Hubble Space Telescope take pictures of the sun?
  15. To the Red Planet We Go -- From the ThinkQuest site: "Often visible in the night sky as a small glowing red star, Mars has long held the human imagination. Long before artificial probes have ventured into space, people have created stories about the Red Planet. Looking ahead of our new millenium NASA is in cooperation with space agencies around the world planning on what will be the biggest joint space venture ever attempted by man. "To the Red Planet We Go" is designed to teach you just what planning a manned mission to Mars is all about."
  16. Virtual Tour of the Sun -- Take an amazing journey into the sun! The site includes great introductory information on our nearest star, and includes dozens of images and movies!
  17. The Sun -- A close-up look at the Sun!
  18. Solar System Trading Cards -- From the Space Telescope Science Institute, printable collection of Solar System trading cards with gobs of facts and data!
  19. Planetary Photojournal - NASA -- Browse through nearly 2000 images of the Solar Syatem from NASA's archives! .
  20. Solar System Live -- Model and data for current positioning of the Solar System!

  21. Galaxies Galore! -- From the Space Telescope Science Institute, great online activities to improve students grasp of the galaxies of the universe. Includes a "Scientific Background" facts page, which discusses the classification of galaxies and their composition, an interactive "Build Our Milky Way" animated demonstration of our galaxy, plus several "Galaxy Games" to reinforce key concepts! Voyage to the Milky Way -- From the PBS site:"Voyage to the Milky Way takes viewers to the strange new world of space exploration."
  22. Galaxies -- Part of the extensive online Universe resources from the University of Michigan, an overview of galaxies with links to lessons on the Milky Way, and the planets of our solar system.
  23. Images - Galaxies -- Breathtaking photo images of galaxies, accompanied by explanations of their formation.
  24. The Galaxies -- Lots of information on the galaxies, in the following categories: The Milky Way System, Spiral Galaxies, Elliptical Galaxies, Irregular Galaxies, Active Galaxies, Clusters of Galaxies, Nearby Galaxies
  25. Formation of Galaxies -- An online lesson in how galaxies formed. Details classifications of galaxies and their compositions and features.
  26. Classifying Galaxies -- Images and explanations of the different classifications of galaxies
    THE Moon
  27. PBS - To the Moon -- Explore the moon with this great site from PBS and NOVA!
  28. The Moon -- From NASA, a series of great resources about the Moon!
  29. Exploring the Moon -- Take a fascinating trip to the moon with the following expeditions: Apollo, Clementine, Luna, Ranger, Surveyor, Zond

    Stars and Constellations
  30. Stars - Mysteries of Space -- An incredible site from ThinkQuest! Select your age group - 12 & under or 13 & over - and enter this amazing multimedia extravaganza of stars
  31. Stars - -- Another pile 'o great stuff from Kapili, including pages on:Black Holes, Star Classes, Star Development, Star Luminosity, Star Requirements
  32. Stars and Constellations -- A series of great resources on stars and constellations!

    Other Heavenly Bodies
  33. Asteroids Game -- From National Geographic, a fun online game that teaches about asteroids!
  34. Asteroids
  35. Asteroids
  36. Comets
  37. Comets
  38. Chiron
  39. Chondrite
  40. Meteors, Meteorites and Impacts -- An introductory lesson on meteorites.
  41. Meteorite Central -- Learn all about meteorites! Includes updated meteorite news!
  42. Meteor Crater Rim Tour -- A virtual tour of Arizona's Barringer Meteor Crater.