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
Red giant star

Massive or Sun-like stars that have ended the steady ‘main sequence’ phase. They then swell and in the process become extremely luminous.

Eclipse mapping

A technique used to indirectly map the surface of an eclipsing binary star, to look for starspots and make other studies by using Doppler imaging.

Lyman alpha blob

These are vast glowing gas clouds that emit a characteristic wavelength of light known as the Lyman-alpha spectral line in Hydrogen’s spectral signature.

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