NASA
Viewing the Violent Universe: What Are Gamma Rays?
The universe produces a broad range of light, only a fraction of which is visible to our eyes. Gamma rays are nonvisible light, which also includes x-rays, ultraviolet light, infrared radiation, and radio waves.
Discovery Education
Discovery Education: Classroom Planetarium
Create a classroom model of the solar system while teaching about relative size of all the planets, and each planet's distance from the sun.
American Museum of Natural History
American Museum of Natural History: Ology: In Pictures: Journey to the Stars
Two astrophysicists present images of stellar phenomena in this resource and explain why stars are so important to the existence of life on Earth.
Ohio State University
Ohio State University: Red Giant Star Lecture Notes
Describes how a star becomes a red giant, the structure of a red giant, core-helium fusion, lifetime predictions, and the position on the HR diagram.
Cool Math
Coolmath: Science Monster: Introduction to Our Solar System
Find out about all the planets and other solar system characteristics in this colorful, illustrated tutorial on our neighborhood in space.
Space Telescope Science Institute
Hubble Site: The "Rotten Egg" Nebula
This NASA Hubblesite page provides basic information about and photographs of the "Rotten Egg" nebula.
ClassFlow
Class Flow: Astronomy Parallax
[Free Registration/Login Required] This flipchart explains the significance of Delta Cephei in the constellation Cepheus and its historical significance in determining distances in space. It discusses parallax, standard candles, and the...
NASA
Nasa Star Child: The Milky Way
The information, geared mainly for younger viewers, provides simple and basic information about the Milky Way, and includes several embedded links to related information.
NASA
Nasa Star Child: Stars (Level 2)
This NASA site that explains the notable features of stars and constellations, including medium and massive stars. Many terms are clickable links to definitions. There is also a link to the Level 1 version of this site, which is written...
Other
Royal Observatory, Edinburgh
The official homepage of the Royal Observatory in Edinburgh, Scotland.
NASA
Nasa: Marshall Space Flight Center: Chandra
NASA's Chandra X-ray Observatory site features a photograph and explanation of a "cool" black hole in the Andromeda Galaxy (M31).
NASA
Nasa: Goddard Scientific Visualization Studio
This impressive exhibit of images and videos is available to see how NASA uses technology to track the weather. You can search by keyword for more specific images.
California Institute of Technology
Welcome to Cool Cosmos!
Site provides a cosmic classroom, an image gallery, science resources, fun and games, and much more!
National High Magnetic Field Laboratory
Magnet Academy: John Daniel Kraus
For a man whose career involved the entire known universe, John Kraus had a remarkably insular upbringing. He was born and raised in Ann Arbor, Michigan, and earned his bachelor's, master's and doctoral degrees in physics, all at the...
California Institute of Technology
Ipac: Iras Gallery
This site from IPAC is a series of images of various celestial objects and regions as viewed in infrared light. Each photo is accompanied by a caption.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.
NASA
Nasa: Imagine the Universe: White Dwarfs
Brief description of white dwarfs with respect to their position in the life cycle of stars, the density of white dwarfs, the emissions of white dwarfs, and the temperatures associated with them.
NASA
Nasa: Wmap: Fate of the Universe
A general look at the expansion of the universe and the Big Bang theory.
Harvard University
Chandra X Ray Observatory Center: X Ray Pulsar
X-ray pulsars are explained. Features a Java applet that simulates a pulsar and allows the viewer to control the rotational speed.
Georgia State University
Georgia State University: Hyper Physics: Red Giants
Describes the red giant star's development stages and the scenario of our sun as a red giant. Diagrams are used to present the information.
E-learning for Kids
E Learning for Kids: Science: Madagascar: What Is the Solar System?
Patrick loves being a pirate, but he'd prefer to be an astronomer. Join him, and learn about everything high in the sky like the moon, stars, and asteroids.
Ministerio de Educación (Spain)
Ministerio De Educacion: Instrumentos Auxiliaries Modulo I Unidad 3
In this unit you will learn the main advantages and disadvantages offered by the refractor and reflector telescopes for a particular observation. You will also learn about the main types of telescopes.
University of California
University of California Berkeley: Black Holes Faq
A detailed list of questions and answers concerning black holes that defines black holes and describes their basic physics and characteristics.
PBS
Pbs Teachers: Scientific American: Science in Paradise: Big Dish
Investigate the science of radio astronomy, and create a model of a curved reflecting dish that will work like the Arecibo detector to detect electromagnetic waves. Explore risk using a risk space grid.
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