Shop at Amazon US


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.

A position of a planet in the sky where it appears not to move. The effect is most obvious with the outer planets and occurs when they change direction against the background sky, i.e. from direct to indirect motion and vice versa.

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