NASA
Nasa Space Place: What Is a Galaxy?
This resource explores the different types of galaxies through text and images.
NASA
Nasa Space Place: What Is a Light Year?
Brief description of light-years with examples and images.
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.
Space Telescope Science Institute
Hubble Site: Edwin Hubble
At this site from HubbleSite provides information on how Edwin Hubble (1889?1953 CE) made some of the most important discoveries in modern astronomy. Learn about them as well as the invention of the Hubble Space Telescope. Open 'Who was...
California Institute of Technology
Spitzer Space Telescope: Huge Hidden Halo!
The image presented at this site is a picture of the galaxy Messier 82, also known as the Cigar Galaxy. The text under the picture describes, in detail, the specifics of the image.
California Institute of Technology
Spitzer Space Telescope: Stephan's Quintet
Under the heading, "A Shocking Surprise in Stephan's Quintet" this site examines specific details of an image displaying a galaxy cluster named Stephan's Quintet. The text under the image serves to explain, in great detail, the specifics...
California Institute of Technology
Spitzer Space Telescope: Our Galaxy's 'Twin'
This image, titled "Morphology of Our Galaxy's 'Twin'" features three individual pictures of a nearby spiral galaxy that closely resembles our own. The text under the image details various specifics about the picture.
California Institute of Technology
Spitzer Space Telescope: Galaxies Gather
Under the heading, "Galaxies Gather at Great Distances" this site examines (and discusses) an image featuring a group and cluster of galaxies. The text goes on to describe details specific to the image.
California Institute of Technology
Spitzer Space Telescope: Finding Faint Galaxies
The brief text that accompanies the image at this site (titled Finding Faint Galaxies) describes details of the picture which features faint images of galaxies enhanced by infrared.
California Institute of Technology
Spitzer Space Telescope: Big Galaxy in Baby Universe
This image, titled "Big Galaxy in Baby Universe" features an infrared picture in four parts of a distant galaxy. The text under the image details various specifics about the picture.
California Institute of Technology
Spitzer Space Telescope: Dissection of a Galaxy
The Dissection of a Galaxy image offered here examines how a galaxy functions by taking it apart through an image. In addition, a detailed textual overview explains various specifics of the picture.
California Institute of Technology
Nasa: Great Observatories Present Rainbow of a Galaxy
The Great Observatories Present Rainbow of a Galaxy image is part of a series of photographs taken from the Spitzer Space Telescope. The picture is accompanied by a brief textual overview outlining specific details in the picture.
Ministerio de Educación (Spain)
Ministerio De Educacion: Cosmologia
This site has many articles from the first moments of life of the universe to its properties, current models, black holes, galaxies, etc.
Other
Sky Server: Galaxies
SkyServer explains and presents images of spiral galaxies, elliptical galaxies, irregular galaxies, galaxy clusters, galaxy collisions and the like.
Other
Sky Server: Scavenger Hunt
In this site, from the SkyServer of the Sloan Digital Sky Survey users hunt for stars, galaxies, quasars, asteroids and meteors. Learn what they look like and how to find them.
Other
Has: Charles Messier
Brief, concise facts about Charles Messier and his catalog of comets, galaxies, and other astronomical bodies. Included are photographs of each of the 110 objects listed in his catalog.
Other
Pedro Re's Messier Gallery
Are you looking for information on Charles Messier? This site includes a detailed biography of his life along with a timeline, how to conduct a Messier Marathon, and photographs of the astronomical objects in Messier's catalog.
Other
Kid Power: Astronomy for Kids
Young children can find facts about the Solar System, the Sun, meteorites, stars, galaxies, planets, our moon, comets, asteroids, and space exploration. Pages offer clear photos and bullet-point information, which is easy to read and...
Other
An Atlas of the Universe
What does the universe look like? This website offers visitors a collection of images that serve as an "atlas" of our universe. See multiple charts showing the Earth's distance from the Sun and other stars, find helpful terms in a...
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: El Descubrimiento De Las Galaxias
Resource provides a general overview of galaxies, including a look at the "mysterious" nebulae, the Andromeda galaxy, and the various types of galaxies.
Ducksters
Ducksters: Astronomy for Kids: Galaxies
Kid's learn about the science of Galaxies. Large groups of stars such as the Milky Way throughout the universe are an interesting part of astronomy.
Space Telescope Science Institute
Hubble Site: Secret Lives of Galaxies
This site is provided by HubbleSite from NASA. "Telescopes around the world are beginning to harvest new clues to the origin and evolution of the universe's largest building blocks, the galaxies." Site offers links to images, video,...
NASA
Nasa: Spiral Galaxy
This Spiral Galaxy image is part of a series of photographs taken from the Spitzer Space Telescope. The picture is accompanied by a textual overview of a spiral galaxy with specific attention given to the details of the picture.
NASA
Nasa: The Space Place
This site from NASA's Space Place is geared towards early elementary learners. It offers detailed instructions for crafts and activities related to space, games and a teacher resource area. Students can also ask an expert at this site.