NASA
Nasa: Astronomy Picture of the Day: Gamma Ray Quasar
A photograph and description of quasar 3C279 viewed in gamma-rays. It was unexpectedly discovered and was one of the brightest objects in the gamma-ray sky until it suddenly faded.
California Institute of Technology
Spitzer Science Center: Gamma Ray Burst
This space telescope image features a full-blown Gamma-Ray Burst first detected by a team of astronomers led by Peter Garnavich. In addition, a detailed textual overview explains various specifics of the picture.
NASA
Nasa: Imagine the Universe: Gamma Rays From Supernovae and Supernova Remnants
Astronomers use gamma decay to study the lives of the stars.
CK-12 Foundation
Ck 12: Physical Science: X Rays
[Free Registration/Login may be required to access all resource tools.] X-rays and their uses, xrays as high-energy rays and their dangers.
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
University of Colorado
University of Colorado: Physics 2000: Positrons, Alpha Particles, Gamma Rays
An interactive tutorial on positrons. Very readible and has a little extra for the advanced student.
Seeker
Seeker: Week of 11 25 13: Black Hole Birth Spawned Record Breaking Blast
Article reports on a recent record-breaking observation in space - the bright gamma-ray burst ever recorded.
Idaho State University
Idaho State University: Gamma Radiation
A good illustration and a simple explanation of gamma-ray decay.
NASA
Nasa: Imagine the Universe: Active Galaxies and Quasars
Describes quasars as being classified within the category of an active galaxy. A description of the emergence of high-energy. Definitions of key words are provided.gamma-ray quasars as an important component of the gamma-ray sky.
NASA
Nasa: Imagine the Universe: "Nasa Detects One of Closest"
Site provides the article, "NASA Detects One Of Closest And Brightest Gamma Ray Bursts." Provides links to learn more about gamma rays and black holes as well as other resources.
NASA
Nasa: Imagine the Universe: "Burst Behind the Sun"
Site provides the article, "Burst Behind the Sun Reveals Magnetic Charm of Distant Explosion," that details on a gamma-ray burst that occurred on December 6, 2002. Provides graphics and links to learn more about gamma-ray bursts.
NASA
Nasa: Imagine the Universe: Pulsars
Resource explores what a pulsar is, as well as what is currently known about this phenomenon. Content includes a focus on x-ray observations of pulsars, and gamma-ray pulsars.
NASA
Nasa Star Child: The Compton Gamma Ray Observatory (Cgro) (Level 2)
A short description of the CGRO and its mission. Printable version available. Includes graphics and vocabulary words are linked to a glossary of terms.
BBC
Bbc: Gcse Bitesize: Radiation Treatment
X-rays, gamma rays and beta particles are all used in medicine to treat internal organs. X-rays are produced by firing electrons at a metal target and gamma rays are emitted by the nucleus of radioactive atoms. Gamma rays are used to...
Florida State University
Florida State University: Nature of Electromagnetic Radiation
This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...
Other
Images Si Inc: Geiger Counter
An image of a Geiger Counter and definitions of the types of rays a counter can detect, alpha, beta and gamma. Includes inventor and date of invention. Continue on "Next," page for even more info.
NASA
Nasa Star Child: Quasars (Level 1)
Learn why quasars are the brightest things in the universe. Vocabulary words linked to a glossary of terms and a printable version are available.
NASA
Nasa Star Child: Comets (Level 1)
Younger students learn why comets race through the sky as well as related vocabulary words and meanings.
Ducksters
Ducksters: Physics for Kids: Types of Electromagnetic Waves
Kids learn about the types of electromagnetic waves in the science of physics including microwaves, infrared, ultraviolet, radio, x-rays, and gamma rays.
Lawrence Berkeley National Laboratory
Berkeley Lab: Nuclear Medicine: Cancer Therapy
Use this site to learn how gamma rays and other forms of treatment are used to destroy cancer cells.
University of California
U.c. Berkeley: Spectra From Space
View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.
Discovery Education
Discovery Education: The Em Spectrum: Waves of Energy
Young scholars are introduced to the electromagnetic spectrum through this group research activity. Each group investigates a different wavelength range within the em spectrum and reports back to class. Discussion ideas also included.
Other
American Institute of Physics: Marie Curie and Radioactivity
A very readable account of the discovery of radioactivity and its properties.
Oklahoma Mesonet
Oklahoma Climatological Survey: Overview of Radiation
This site details what radiation is, the physics of radiation, and radiative transfer as it occurs in nature. Content explores the electromagnetic spectrum, electromagnetic waves, properties of radiation, and solar radiation.