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 supernova that occurs when a white dwarf accretes enough matter from a companion star and exceeds the Chandrasekhar limit before exploding.

G299 was left over by a Type 1a supernova (credit:- NASA/CXC/U.Texas)

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