Other
The Electronic Sky: Light Year
Electronic Sky site provides users with the definition of a light year as well as a light year conversion table.
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.
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...