A gallery of astronomy images which depict galaxies, comets, the moon, planets, nebulae, supernovae as seen in various regions of the electromagnetic spectrum. Each image in the gallery is described. Fascinating!

Under the heading, "Orion's Inner Beauty" this site examines specific details of an image displaying the Orion nebula, which is stated to be "our closest massive star-making factory."

Under the picture titled "Chaos at the Heart of Orion" this site explains in detail the various features of the image displaying the Orion Nebula.

Resource provides a general overview of galaxies, including a look at the "mysterious" nebulae, the Andromeda galaxy, and the various types of galaxies.

[Free Registration/Login Required] This flipchart provides information about the Milky Way Galaxy and Charles Messier's famous nebulae catalog.

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.

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...

Explore the universe and celestial phenomena made visible by Hubble. High-quality photos of planets, stars, nebulae, and galaxies, complete with individual descriptions, can be viewed online and downloaded for printing and personal use.

The following tutorial is an explanation of what the universe is composed of.

Breathtaking images from the Hubble Space Telescope give a new perspective to our world.

This Eight Planets site briefly describes solar wind, a low density stream of charged particles emitted by the Sun. It also provides the basics on the sun's composition and additional sun links.

Provides a general overview of spiral galaxies, including descriptions of the different classes of spiral galaxy.

Experience this impressive interactive website about the life cycle of a star.

In this interactive module students will explore the life cycle of stars and how they produce energy.

In this lesson, you will learn about how the Earth formed as well as the composition and structural layers of the Earth's interior.

At this site from the HubbleSite you can learn all about a star's life, birth, and death. Site contains links to a star movie as well as space/time location.

Describes the most energetic explosive event in outer space: the supernova. Includes animation of a supernova.

Wikipedia offers several paragraphs of detailed information on absolute zero, the lowest temperature that can be obtained in any macroscopic system.

A virtual journey through space offers photos and facts about Earth and its neighboring planets, comets, other celestial bodies of the Solar System, and the Milky Way and Andromeda galaxies.

Provides a brief overview of the Sun, including a focus on solar eclipses, solar wind, and solar sailing.

This lesson focuses on the formation and life cycle of stars. Stars form when enough dust and gas clump together because of gravitational forces. Nuclear reactions release energy to keep the star hot. Some stars grow larger over time....

This resource gives a detailed explanation of the stages that the Earth and the solar system went through beginning with their origins in the Big Bang up to the present time.

This hands-on astronomy activity lets learners hunt for different objects in the night sky that contribute to stellar and planetary formation, using a Treasure List. They will learn how stars and their planets form and will find objects...

This site from SkyServer provides the history of astronomy as well as links to mapping the sky, galaxies, cosmic structures and much more. Several pictures are given, and the article is medium in length.