This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the Earth to the Sun and Moon. Also has his methods for determining the size of the Moon and the Sun.

The BBC provides a general overview of the planet Earth. Content includes statistical information, a focus on the four seasons, moon information, and more.

Check out 10 things you may not know about the explorer who sailed the ocean blue in 1492 for example, Columbus didn't set out to prove the earth was round.

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

This site archives and posts the most recent Cassini images of Saturn and its moons. Other missions and information on these objects are also posted here.

Discover an abundance of facts on this comprehensive site. Topics discussed are: cool facts, description, similar species, habitat, food, behavior, reproduction, and conservation status. In addition, listen to the sounds of this species...

Emil Jannings stars with Marlene Dietrich in this German film classic. Plot summary, actors, reviews, full filmography of Jannings work. Originally slated as the star of the film, Jannings was eclipsed by Marlene Dietrich, who, unlike...

A collection of ten hands-on science experiments for the entire family that will help you understand concepts in astronomy. Make an astrolabe, find the size of the sun and moon, build a lunar settlement, find out about meteoroids, shadow...

Ministerio de Educacion: El Universo, la Via Lactea y el Sistema Solar.

This resources focuses exclusively on astronomy. It's packed with historical facts about space exploration, famous people who pioneered the study of stars and planets. It features chronological list of space exploration, current news,...

This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.

In this site you can learn about stars, planets, satellites and a little history of Astronomy.

This site from the encyclopedia Wikipedia provides an in-depth timeline of important events in astronomy relating to the solar system are presented here. Links are also provided for additional information on related subjects.

This page provides a brief overview of the nearly transparent chromosphere of the sun.

The Virtual Sun is part of a site detailing the Sun, this page provides a brief overview of the corona, or atmosphere, of the sun. Content includes several movies which depict the corona.

This site features a virtual tour of the sun. Expect to learn facts concerning the sun's characteristics, influences, and lifespan with excellent illustrations and multi-media.

What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.

This site provides a moving diagram of a Lunar eclipse, showing Earth's umbra and penumbra and the appearance of the Moon as it passes through these shadow regions.

A useful page from the Hong Kong Observatory offering introduction to weather and weather phenomenon. Learn about thunderstorms, tides, monsoon season, weather radar, and weather in space. Not a slick site but informative. Most...

This web-page offers insight to metalworking during the Early Bronze Age, primarily in England. Much attention is given to the making of tools and weapons.

Contains information about black holes and neutron stars: how they form, what they're like, and how we know they are there.

NASA site provides detailed information on the 2004 transit of Venus across the sun. Also explores the modern value of Venus transits and how they aid in the study of astronomy.

This photo gallery showcases images from Auyuittuq National park that is located on Baffin Island in the Canada's Arctic. Each photo is accompanied by a helpful description.