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.
Vocabulary: Compound words. 1  Write the words world-famous, wildlife, and New Zealand on the board. 2  Ask them to tell you the two parts of the words. 3  Pair students and have them search the book and underline other examples of compound words.  Once students have finished, have them share the words they found.