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
Ultraviolet radiation

Electromagnetic radiation that has a shorter wavelength and higher energy than visible light.


The optical surface of the Sun. All of the Sun’s visible light that reaches Earth comes from here.


Faculae are brighter, more prominent patches of the solar photosphere (the ‘surface’ of the Sun). They are sometimes an indication of a forming sunspot and show up particularly well through white-light solar filters.

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