Other
Phy6: De Astronomos a Astronaves
This site contains four main categories: Astronomy of the Earth's motion in space, Newtonian mechanics, the sun and spaceflight and spacecraft.
Other
Nine planets.org: Ptolemy
This site from the University of Arizona provides a background of Ptolemy's profound influence in the areas of astronomy, geography, and cartography. Includes good pictures and related links.
Other
National Optical Astronomy Observatory: A Planetary Nebula Sampler
A planetary nebula forms when a star can no longer support itself by fusion reactions in its center. This NOAO site is also illustrated.
Other
Christopher Crockett: The Astronomy Word of the Week Is "Barycenter"
While astronomers and philosophers have long mused on the possibility of other solar systems, the first planets confirmed to orbit a star other than our Sun weren't found until 1992. The reason it took so long is that it's really hard!...
Enchanted Learning
Enchanted Learning: Zoom Astronomy
Where is our Solar System? How far away is the sun? What makes up the sun? Find out all you want to know about our solar system. This is a comprehensive on-line site about space and astronomy. Check out all of the excitement!
NASA
Nasa: Astronomy Picture of the Day: White Dwarf Cocoon
A white dwarf star begins its life by "casting off a cocoon (nebula)that enclosed its former self." There are many links within the text to related topics.
Sophia Learning
Sophia: The Solar System: Lesson 1
This lesson will develop a map of the solar system in proportion to the distance between the planets. It is 1 of 3 in the series titled "The Solar System."
Sophia Learning
Sophia: The Sun and Moon: Lesson 3
This lesson will analyze the role of the sun and moon relative to the earth's orbit. It is 3 of 4 in the series titled "The Sun and Moon."
Sophia Learning
Sophia: The Sun and Moon: Lesson 4
This lesson will analyze the role of the sun and moon relative to the earth's orbit. It is 4 of 4 in the series titled "The Sun and Moon."
Ducksters
Ducksters: Astronomy for Kids: The Planet Uranus
Kids learn about the ice giant planet Uranus of the Solar System including fun facts, mass, day, year, and distance from the Sun. Astronomy for kids and teachers.
Ducksters
Ducksters: Astronomy for Kids: The Planet Venus
Kids learn about the planet Venus of the Solar System including fun facts, mass, day, year, and distance from the Sun. Astronomy for kids and teachers.
Sophia Learning
Sophia: Constellations: Lesson 2
This lesson will demonstrate how to predict constellations in the night sky. It is 2 of 4 in the series titled "Constellations."
Sophia Learning
Sophia: Constellations: Lesson 3
This lesson will demonstrate how to predict constellations in the night sky. It is 3 of 4 in the series titled "Constellations."
Sophia Learning
Sophia: Constellations: Lesson 1
This lesson will demonstrate how to predict constellations in the night sky. It is 1 of 4 in the series titled "Constellations."
Ducksters
Ducksters: History: Renaissance Astronomy for Kids
Kids learn about the science of astronomy during the Renaissance. Discoveries by Copernicus, Galileo, and Kepler.
Ducksters
Ducksters: Quiz: Renaissance Astronomy for Kids
History Questions: Renaissance Astronomy Quiz, Test, and WebQuest
Ducksters
Ducksters: Space Science: Astronomy for Kids
Kids learn about astronomy, the study of outer space including the stars, planets, comets, black holes, and the Solar System. History and astronomers in this astronomy for teachers and kids section.
Ducksters
Ducksters: Astronomy for Kids: Asteroids
Kids learn about asteroids in the science of astronomy. Large chunks of rock and metal that orbit the Sun including the asteroid belt, Ceres, and Vesta.
Ducksters
Ducksters: Astronomy for Kids: Astronauts
Kids learn about the astronauts who travel and explore outer space including spacesuits, fun facts, and famous adventurers like Buzz Aldrin, Yuri Gagarin, and Sally Ride.
Ducksters
Ducksters: Astronomy for Kids: Glossary and Terms
Kids learn about the glossary and terms for the science of astronomy including words and definitions such as asteroid, comet, meteoroid, galaxy, eclipse, etc.
Ducksters
Ducksters: Astronomy for Kids: Comets and Meteors
Kids learn about comets and meteors in the science of astronomy including the coma and tail, meteorites, meteoroids, the Kuiper belt, and the Oort cloud.
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.
Ducksters
Ducksters: Astronomy for Kids: Lunar and Solar Eclipses
Kids learn about lunar and solar eclipses in the science of astronomy including the umbra, antumbra, penumbra shadows as well as total, partial, and annular.
Ducksters
Ducksters: Astronomy for Kids: Space Exploration Timeline
Kids learn about the timeline of the history of space exploration including early astronomy, astronauts, spacecraft, planets, and the Moon.