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The Adventures of Amelia the Pigeon - [ Kids ] - The animated adventure teaches children how NASA scientists use satellite imagery to better understand Earth's environmental changes.

Are We Alone in the Universe - [ Teens/Mature Teens ] - Discover some of the most intriguing UFO mysteries of this century, and possibly walk the path to becoming an astronaut to discover the vast corners of our universe.

The Astrogirl Homepage - [ Teens/Mature Teens ] - Devoted to amateur astronomy. Find information on planets, current sky events, astrophotography, and beginner's tips.

Astronomia Nova - [ Mature Teens ] - The primary objective for the website is to ensure a foundation so the user can do astronomical / physical measurements and thereby take a step further than just actual knowledge. Main target group is highschool students.

Astronomical Information Center - [ Teens/Mature Teens ] - Get some answers to the most asked questions about the phenomena of the sun and moon, time, as well as calendars and historical events information.

Astronomy and Space for Kids - [ Kids/Teens ] - Stars, planets, black holes, Junior Astronomers Club.

An Astronomy Course for Students Using the Internet - [ Teens/Mature Teens ] - A course on astronomy designed for middle to high school students, but adaptable to most ages and interest levels.

Astronomy for Kids - [ Kids ] - Basic introduction to astronomy for kids K-6 grade.

Astronomy in Questions and Answers - [ Kids/Teens/Mature Teens ] - A comprehensive collection of simple facts about the planets, the solar system, meteors, stars, galaxies, and astronomers.

Astronomy Jokes and Space Explorers - [ Kids/Teens/Mature Teens ] - A collection of K-12 space and astronomy jokes with astronomy factoids, quizzes, quotes, links and pictures interspersed throughout the site describing history of astronomy and space exploration.

Astro-Venture - [ Kids/Teens ] - Students in grades 5-8 role-play NASA occupations, as they search for and build a planet with the necessary characteristics for human habitation.

Canadian Space Agency - KidSpace - [ Kids/Teens/Mature Teens ] - Offers educational resources of interest to high schoolers and kids, with information on special projects, space playgrounds, and careers related to the study of space.

Common Teasers in Astronomy - [ Kids ] - Contains a few brain teasers such as what keeps a satellite in orbit to why meteors burn up in the atmosphere and space shuttles and rockets don't.

Constellation Stories and A Deepsky Atlas - [ Teens/Mature Teens ] - Provides a listing of the constellations, maps, and the myths associated with them.

Cool Cosmos - [ Kids/Teens ] - Offers lessons and activities using infrared light. Also, includes has online tutorials, games and graphic galleries related to this topic.

CosmicKids - [ Kids/Teens ] - Learn all about the Hubble Space Telescope.

2001: Destination Space - [ Teens/Mature Teens ] - The Tech Museum of Innovation provides a comparison of the science and technology of the movie 2001: A Space Odyssey made in 1968 with the real world technology of 2001. Includes artwork and sound clips. [Requires RealPlayer and Flash plugins.

DLTK's Space Crafts for Kids - [ Kids ] - Space crafts suitable for preschool, kindergarten and grade school kids.

Earth and Sky - [ Kids/Teens ] - International science radio program. Includes a nightly star chart, sky watching tips, podcast, and audio and written articles about a variety of scientific topics.

Earth Today - [ Kids/Teens/Mature Teens ] - Cool images of earth taken from space: our little blue planet as astronautsand satellites see it, detailed pictures of natural wonders, weather phenomena, and even images showing ocean currents, night lights, and water vapor.

ESA Kids - [ Kids/Teens ] - Information on the planet Earth, the universe, and space travel. Games, quizzes, and photos.

European Space Agency (ESA) - [ Teens/Mature Teens ] - Resource for European space science. Updated information on launches, spacecraft in orbit, and events.

The Exploration of the Earth's Magnetosphere - [ Teens/Mature Teens ] - Looks at the hot gases which fill most of space which are ruled by magnetic and electric forces rather than by gravity. The polar aurora, the radiation belts, the solar wind, magnetic storms, "space weather", cosmic radiation--this is the site which tells you all about them.

Federation of Galaxy Explorers - [ Teens/Mature Teens ] - Educates and inspires kids to pursue advanced studies in science and engineering. Mission is to prepare the next generation to explore and develop space.

From Mercury to Pluto - [ Teens/Mature Teens ] - Information on planets, the universe at large, and exploration. Offers quizzes and interactive image galleries.

From Stargazers to Starships - [ Teens/Mature Teens ] - The motion of Earth in space, Newtonian mechanics, spaceflight and spacecraft, and a math refresher, on a high school level. This site deals with the world of gravity--of massive planets and stars, and the way spaceflight is achieved despite their strong pull.

Gene Smith's Brief History of Astronomy - [ Mature Teens ] - Covers the development of this ancient science from days of Stonehenge (3100 BC) to the discovery of Pulsars (1968 AD).

Guide to Arctic Sunrise and Sunset - [ Kids/Teens/Mature Teens ] - Tables of daily sunrise and sunset times in the Arctic. Learn about the Land of the Midnight Sun, Solstices, and Equinoxes.

Heavenly Details - [ Teens/Mature Teens ] - The Old Farmer's Almanac offers the dates and locations of solar and lunar eclipses for the year, as well as the full Moon names and dates for nine years. Check it out here, then go outside and look up.

Henrietta Leavitt Flat Screen Space Theater - [ Teens/Mature Teens ] - The site is authored by Carolyn Collins Petersen, an accomplished astronomy writer and part-time Hubble researcher. Carolyn takes viewers to "The Planetarium Show That Never Ends," where various heavenly bodies are displayed and described in non-scientific but informative and inspiring ways.

Imagine The Universe! - [ Teens/Mature Teens ] - A glimpse into the mysteries of our universe: what we know about it, how its evolving, and the types of objects in it.

An Inquirer's Guide To The Universe - [ Teens ] - Helps young people investigate planets and the universe.

The International Astronomical Union (IAU) - [ Teens/Mature Teens ] - Founded in 1919 to promote and safeguard the science of astronomy. The organization is also the internationally recognized authority for classifying celestial bodies and their surface features.

Johnson Space Center Just for Kids - [ Kids/Teens ] - Includes information ranging from the training of astronauts to space station construction to the search for life on mars. Also offers an album of NASA photos and links to other sites about the earth and heavens.

A Journey into the Unknown - [ Teens/Mature Teens ] - A collection of web pages which detail the realm outside of our world: outer space. These pages are designed primarily for teaching or as reference resources, but also contain some areas for entertainment.

A Journey Through Space - [ Kids/Teens/Mature Teens ] - Tells what different types of astronauts do, explores how space ships function, and traces the history of space travel.

Kids Earth and Sky - [ Kids ] - Includes articles, activities, and links for kids. From the producers of the science radio program Earth and Sky.

Knowing the Universe and Its Secrets - [ Teens/Mature Teens ] - Learn about the life and energy processes of stars and galaxies. Page has explanations of ancient and modern theories, as well as charts and astronomical photos.

Life Beyond Earth - [ Kids/Teens/Mature Teens ] - Think humans are alone? Follow space expert Timothy Ferris in the scientific search for extraterrestrial life. Also, write to an alien.

Life In Space - [ Teens/Mature Teens ] - Investigates the possibility of living in space. Provides a look at the challenges planets provide for human life, including links.

Lightyears and Distances in Space - [ Kids/Teens ] - Find out what a lightyear is and take a cosmic voyage to the nearest galaxy.

Lunar Outpost - [ Kids/Teens/Mature Teens ] - Space-related education, games, merchandise, NASA content and photos geared toward kids, parents, educators and space enthusiasts worldwide.

The Midnight Sun - [ Kids/Teens/Mature Teens ] - Photos from interior Alaska of the Midnight Sun and tundra flowers, with links to more scientific information on the summer solstice.

Mysteries of Deep Space - [ Mature Teens ] - Explores the secrets of the universe with an interactive timeline, classroom activities, and a trivia challenge. Ask the experts various questions as well.

The Mysteries of Space and Time - [ Teens/Mature Teens ] - About the secrets of distant suns, black holes, and stellar anomalies in space and time.

Myths about the Sky, Constellations, and Stars - [ Kids/Teens/Mature Teens ] - Find out about the gods and goddesses of different cultures around the world that focus on the myths that explain astronomy. Three levels of exploration: beginner, intermediate and advanced.

NASA Kids - [ Kids/Teens ] - Find activities and information about rockets, astronauts, space exploration, space shuttles, solar system, and galaxies.

NASA Laboratory for Extraterrestrial Physics - [ Teens/Mature Teens ] - Astronomy, chemistry, and physics of the solar system and beyond.

NASA Science Education - [ Kids/Teens/Mature Teens ] - Resource for kids and space enthusiasts who are interested in meeting and learning about NASA people and the national space program.

Nasa Science for Kids - [ Kids ] - NASA brings you an exciting way to look at our Sun and Earth, our solar system and the universe beyond.

NASA's Origins Program - [ Teens/Mature Teens ] - Seeks to answer fundamental questions about the universe. What is the origin of Earth? Take a look at some articles about the story of the universe and the quest to understand life.

NASA's Space Science Activities for Students - [ Kids/Teens/Mature Teens ] - Space science activities for elementary and secondary students in astronomy, physics, life sciences, and space technology.

NOVA Online | Runaway Universe - [ Teens/Mature Teens ] - Tour the universe and find out a bit about the history of the universe.

Online Planetarium Show - [ Teens/Mature Teens ] - Teaches fun and interesting lessons in astronomy and related subjects. Includes games, photo gallery, and lots of information on the Hubble Space Telescope.

Planet Quest - [ Kids/Teens/Mature Teens ] - Includes online quizzes, planet comparisons, pictures and links to astronomy clubs around the world.

A Practical Guide to Astronomy - [ Kids/Teens/Mature Teens ] - This electronic encyclopedia is a great resource for the both the beginner and the experienced backyard astronomer. Full of facts and photos.

The Satellite Site - [ Kids/Teens/Mature Teens ] - Tech Museum provides information on what satellites are, their uses, different types of orbits, the parts that make up a satellite and an interactive satellite construction tool (requries Java).

Sky and Telescope - Observing - [ Mature Teens ] - Featured articles about the moon, sun, and planets, along with meteors, asteroids, and comets.

Space – The Final Frontier - [ Kids/Teens ] - A WebQuest site for kids to learn about the solar system.

Space: An Exploration - [ Teens ] - Discusses facts, mysteries, theories, and activities to learn more about the solar system.

Space and Astronomy for Kids - [ Kids ] - Information for kids, parents, and teachers ranging from the latest NASA missions and discoveries to backyard astronomy. Bi-weekly feature columns, links, moderated chat room, and bulletin board.

Space Detectives - [ Teens/Mature Teens ] - Explore the mysteries and puzzles of the Solar System. Includes a quiz and interactive game to design a lander.

Space Educators Handbook - [ Teens/Mature Teens ] - A great NASA list of space-related sites where you'll have fun. Read Space Comics or find the Hidden Cool Stuff.

The Space Place - [ Kids ] - Demonstrates and explains scientific concepts related to astronomy in a fun, hands-on manner.

Space Place Launch Pad - [ Kids/Teens ] - Join this site in making some 'spacey' things. Also, view space science in action and discover some facts from gravity to telescope magnification.

Space Travel Guide - [ Kids/Teens/Mature Teens ] - Explains the various concepts of space travel. Starting from the basic physical laws in an interactive manner.

Space.com - [ Kids/Teens/Mature Teens ] - Features space and science news stories, interactive games, questions and answers, contests, kids' submissions, and weekly polls.

SpaceKids - [ Teens ] - Images of the heavens, send your name to Mars on the Exploration Rover-2003 mission , participate in the study of space science, tour the solar system, and get space science news.

StarChild: A Learning Center for Young Astronomers - [ Kids/Teens ] - Information and online movies related to the solar system and space exploration. A service of the High Energy Astrophysics Science Archive Research Center at NASA.

Stardate Online: Guide to the Universe - [ Kids/Teens/Mature Teens ] - Information and pictures about astronomy and space exploration. Includes stargazing tips, FAQ's, sky almanac, solar system guide, news and articles.

Students for the Exploration and Development of Space - [ Kids/Teens/Mature Teens ] - An international organization provides learning activities, information and news concerning space and its exploration. Includes photographs taken from spacecraft and the Hubble telescope.

Telescopes In Education (TIE) - [ Mature Teens ] - Provides images taken by the telescope, an Observatory Cam, along with a calendar of current events, and weather information.

TOPEX/Poseidon Kids Page - [ Kids ] - Offers an online coloring book, ask a scientist, FAQs, background on El Niño, and other links.

Virtual Astronaut - [ Teens/Mature Teens ] - Interactive instructional materials for grades 5-8 to provide students and educators with a tool that integrates leading-edge technology with recent findings in physical sciences, space sciences, space medicine, biomedical research and living in space.

Where's Hubble now? - [ Kids/Teens ] - Track Hubble as it zips around its orbit.

Windows to the Universe - [ Kids/Teens/Mature Teens ] - An extensive and graphics intensive astronomical learning system. Learn all about the Earth and Space Sciences.

Wonders of Space - [ Kids/Teens ] - A Canadian teacher presents a way of exploring space using the internet. Includes games, stargazers, quizzes, astronaut trainings, and classroom connections.

The World Of Astronomy - [ Teens/Mature Teens ] - Contains information on the universe, stars, galaxies, and supernovas.