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.
To increase your word knowledge, type in an English word, or words that appear normally as a group; for example, pain, or visual pollution, or atmospheric electric field to find their definitions and Latin and/or Greek meanings OR type in English words that are derived directly from Latin and/or Greek sources; for example, android, or electron probe ...