Astronomy for Beginners
Here’s where you’ll find observing guides, how-to articles and great astronomy hints and tips. Don’t forget to also check out our comprehensive astronomy dictionary.
A technique for observing faint objects through a telescope by viewing slightly to the side, allowing light from the object to fall on an area of the eye more sensitive to faint light.
A unit of measurement equal to the distance travelled by light in a year, that’s 9.46x10^12km. (5.88x10^12 miles).