NASA
Nasa: Magnetic Fields
This site from NASA provides a short, illustrated description of the basics of magnetic fields and magnetic poles.
NASA
Nasa Star Child: Moonlight Madness
The revolution of the Moon around the Earth causes the Moon to appear to change shape in the sky. These apparently different shapes are called "phases" of the Moon. The Moon passes through a cycle of eight phases which repeats itself...
NASA
Nasa: The Sun's Energy Source
This site, which is provided by NASA, gives some scientific history and a clear and detailed explanation of nulcear forces and nuclear fusion.
NASA
Nasa: Eclipses
The periodicity and recurrance of eclipses is governed by the Saros cycle, a period of approximately 6,585.3 days (18 years 11 days 8 hours). It was known to the Chaldeans as a period when lunar eclipses seem to repeat themselves, but...
NASA
Nasa: The Basics of Ocean Chemistry: Carbon, Circulation, and Critters
An explanation of ocean chemistry, supported by illustrations, for example, of the global carbon cycle in the 1980s and the annual carbon dioxide flux. The concentration of nutrients in the ocean is discussed for its impact on marine...
NASA
Nasa Science: For Kids: The Universe
Test your knowledge about the universe with games and activities designed to help explore what you know.
NASA
Nasa Science: For Kids: Solar System Fun
Test your knowledge about the solar system with games and activities designed to help explore what you know about the sun, the planets and their moons, space rocks, the Milky Way, and related topics.
NASA
Nasa: Space Place: Space Volcanoes!
Click and explore the solar system to discover where volcanoes can be found, on planets and moons.
NASA
Nasa: Cosmicopia: Nucleosynthesis
NASA's Cosmicopia illustrates the process of element creation in the universe.
NASA
Nasa: Astronomy Picture of the Day:
A different image is featured each day along with descriptive narrative. NASA offers different and sometimes unexpected views of our Earth and the universe.
NASA
Nasa: Solar System Dynamics
This resource provides information related to all known bodies in orbit around the sun. Content includes planetary orbits, JPL's Horizon System, natural satellite information, and more.
NASA
Nasa: Magellan Mission to Venus
This home page from NASA offers Venus images taken by Magellan and other highlights from the mission. In orbit around Venus for four years this mission provided maps of 98 percent of the surface of Venus that are more detailed than most...
NASA
Nasa: Mars Pathfinder
Images of Mars from the surface of the Red Planet. The site includes 3-D images and animations of the Mars Pathfinder.
NASA
Nasa: Latest Conclusions of the Comet Collision
This site from NASA allows one to read the reports by scientists of what we learned from observing the giant collision of Comet Shoemaker-Levy 9 with Jupiter. Some are very technical, others for general audiences.
NASA
Nasa: Top 20 Comet Shoemaker Levy Images
This site from the National Aeronautics and Space Administration provides the most popular images at the JPL Comet Shoemaker-Levy home page during the month of July 1994, when the comet was impacting Jupiter.
NASA
Nasa: Hubble Observations Shed Light on Jupiter Impact
Scientists continue to learn from their observations long after the largest collision in history was recorded. Was Comet SL-9 actually an asteroid? What were the dark impact clouds made of? What were the effects on Jupiter's magnetic field?
NASA
Nasa: Mt. Rainier
A radar image of Mt. Rainier can be seen on this page. Mt. Rainier had its last eruption 150 years ago. Click on this page to find out more info.
NASA
Nasa: Basics of Radio Astronomy
Site developed by NASA to support training at the Goldstone-Apple Valley Radio Telescope. A manual in PDF format that covers everything from the basics of electromagnetic spectrum through radio sources through mapping the sky in the...
NASA
Nasa: Welcome to the Planets Neptune
NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.
NASA
Nasa: Celebrating Voyager 1 & 2
This press release contains information about the Voyager and its history. The page gives facts about the past twenty years with the Voyager and all of its accomplishments.
NASA
Nasa: Stardust: Be a Spacecraft Engineer
Some interesting projects for students interested in the space program.
NASA
Nasa: Comet Shoemaker Levy 9 Collision With Jupiter
This site from NASA provides information on the Shoemaker-Levy collision which, even though the impact of Comet Shoemaker-Levy 9 with Jupiter happened in 1994, it continues to make news. Read the latest information related to the...
NASA
Nasa: Planetary Photojournal
This NASA site provides access to publicly released images from various Solar System exploration programs.
NASA
Nasa: Stardust
This site provides information regarding the NASA mission to understand and protect our planet.