Weber State University
The Sun and the Seasons
Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...
Ducksters
Ducksters: Astronomy for Kids: Stars
Kid's learn about the science of stars like our Sun. Giant hot balls of gas and energy made mostly of hydrogen and helium.
NASA
Nasa: Image Science Center: Ask the Space Scientist
A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.
Cool Math
Coolmath: Science Monster: Our Sun
Find out about our closest star, the sun. Read interesting facts and other trivia about our planet's source of energy.
Ducksters
Ducksters: Astronomy for Kids: Constellations
Kids learn about the constellations in the science of astronomy. These stars that form patterns when viewed from the Earth have been studied since ancient times.
University of Virginia
University of Virginia: How the Greeks Used Geometry to Understand the Stars
An article explaining how the Greeks were able to use their science and mathematics to predict where astronomical objects such as the Planets could be found in the nighttime sky even though their underlying premise was that the earth did...
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
Ducksters
Ducksters: Astronomy for Kids: Galaxies
Kid's learn about the science of Galaxies. Large groups of stars such as the Milky Way throughout the universe are an interesting part of astronomy.
Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Ancient Times & the Greeks
In ancient times only five planets were known: Mercury, Venus, Mars, Jupiter, and Saturn. Learn about Greek astronomer Ptolemy's theory for the solar system that was to survive for fourteen centuries.