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).
For example: The word vocabulary is derived from the Latin root wordâvocâ, which means 'word' or 'name'. Other words like advocacy, vocal and vociferous are also derived from the same root word. Hence, if you can recognize some root words, you will get a fair idea of many derived words.
English is a language that has roots in many languages. Many modern English words have Greek roots. Knowing some of the Greek roots helps students to figure out other English words. For instance, in the sciences, many words have Greek roots. However, there are also common words used daily with Greek roots. Learning to identify the roots in words helps students to decipher unknown vocabulary.