Contributions

If you like the website and want to contribute to the running costs then please do so below. All contributions are most welcome.

PayPal - The safer, easier way to pay online.

Is the greatest amount of detail that a telescope can deliver. It can be roughly estimated by observing binary stars. For example, if a binary pair can just be resolved into two separate stars, the telescope's resolution (or 'resolving power') is roughly equivalent to their angular separation in the sky.

Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z