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
Dovetail plate

A type of mounting plate, which attaches a telescope tube to a mount. Its name comes from the fact that the join is wedge-shaped, like a dove’s tail

Plage

Brighter, more prominent areas of the Sun’s chromosphere, often seen near an active region.

Radial velocity method

A way of searching for exoplanets by looking at the movement of spectral lines in a star’s light to infer the presence of a planet.

We use cookies to improve your experience of our website. Cookies perform functions like recognising you each time you visit and delivering advertising messages that are relevant to you. Read more here