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.
The root of the word vocabulary, for example, is voc, a Latin root meaning word or name.. This root also appears in the words advocacy, convocation, evocative, vocal, vociferous, and vowel. Understanding the meanings of the common word roots can help us deduce the meanings of new words that we encounter.