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


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.

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