Astronomy for Beginners

New to astronomy? Not sure how to get started in stargazing or which telescope to buy?

Here’s where you’ll find observing guides, how-to articles and great astronomy hints and tips. Don’t forget to check out our comprehensive astronomy dictionary.

Astronomy Dictionary
Egress

When a celestial body emerges from a shadow or from a transit.

Active galactic nucleus

The centre of a galaxy, which emits large amounts of energy as electromagnetic radiation. Such objects are thought to be powered by matter falling on to a supermassive black hole.

Proton

A subatomic particle that resides in the nucleus of an atom and carries a positive electrical charge.

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