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.
Introduction. Many English words are formed by taking basic words and adding combinations of prefixes and suffixes to them. A basic word to which affixes (prefixes and suffixes) are added is called a root word because it forms the basis of a new word.The root word is also a word in its own right.For example, the word lovely consists of the word love and the suffix-ly.ntroduction. Many English words are formed by taking basic words and adding combinations of prefixes and suffixes to them. A basic word to which affixes (prefixes and suffixes) are added is called a root word because it forms the basis of a new word. The root word is also a word in its own right.