The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (about 32.6 light years). The absolute magnitude of the Sun is 4.83 in the V band (yellow) and 5.48 in the B band (blue).
1 [NEW!] Sports vocabulary: Words for popular American sports. [ 2 NEW!] Air Travel: Useful words for traveling on airplanes and through airports. 3  The Environment: Vocabulary related to environmental science and climate change.
Part 1 Since setting up this site I have become more aware of the differences in language between the U.K. and the U.S.A. whether it be different meanings for the same word or different words for the same thing, so thought it may be fun to start a page listing some of these differences.ifferent meanings for American and British words. a second list of words and phrases which have different meanings. Then there are all the suggestions of language differences (2, 3 and 4) which have been sent in by visitors which are shown on three more pages.