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.

Astronomy Dictionary
Exoplanet

An abbreviation of ‘extrasolar planet’, meaning a planet not in the Solar System but orbiting another star.

Fireball

An extremely bright (brighter than Venus appears in the night sky), sometimes disintegrating, meteor that often leaves a trail.

Occultation

An occultation is when a celestial body passes in front of another. So if the Moon passes in front of Saturn or a star it is known as a lunar occultation.