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.
Nine Planets
The Nine Planets: Asteroids
A plethora of information about Asteroids. This site provides lots of in-text links to information, pictures of asteroids, a table full of information about asteroids, as well as links to more information about asteroids.
Rice University
Galileo Project: Christopher Clavius
This site from The Galileo Project of the Rice University provides a biography of Clavius including an excerpt from his writings. A picture is provided in this article along with links to additional information.
Ohio State University
Osu History Teaching Institute: Galileo and the Scientific Method
Lesson focuses on the Scientific Method and the nature of Galileo's conflict with authorities in the Roman Catholic Church.
LM Digital Media
Kids World Fun: Johnny Jetpack [Pdf]
Johnny Johnson knew that one day he would fly among the stars-he dreamed of someday flying out past Jupiter and Mars. "I will fly someday-I swear it! I'll be up there someday soon, "Johnny muttered as he stared out through his window at...
Curated OER
Science Kids: Science Images: Callisto
This is an image of Callisto, one of the moons of Jupiter. Discovered by Galileo Galilei in 1610, it is the third largest moon in the Solar System and features a heavily cratered surface. For more information, check out our solar system...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: A Roman Standard Bearer
From a gravestone of the first century A.D. The standard consists of a spear crowned with a wreath, below which is a crossbar bearing pendant acorns. Then follow, in order, a metal disk. Jupiter's eagle standing on a thunderbolt, a...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Galileo Galilei
Galileo Galilei (15 February 1564 - 8 January 1642) was a Tuscan (Italian) physicist, mathematician, astronomer, and philosopher who played a major role in the scientific revolution. His achievements include improvements to the telescope...
California Institute of Technology
Cool Cosmos: Ask an Astronomer
Have you ever wondered if aliens really exist? So do astrobiologists. Their job is to find out if life exists in space. Cool Cosmos and NASA provide the answers to the most frequently asked questions about this topic.