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118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
An advertisement for Marvel's Epic Collection. The Epic Collection is an ongoing line of color trade paperbacks that republish Marvel comics in a uniform trade dress. . Announced in April 2013, their stated intention was to collect entire runs of characters or titles as "big fat collections with the best price we can maintain", [1] in similar manner to the discontinued black-and-white Essentia
Betelgeuse's color may have changed from yellow (or possibly orange; i.e. a yellow supergiant) to red in the last few thousand years, based on a 2022 review of historical records. This color change combined with the CMD suggest a mass of 14 M ☉ and age of 14 Myr, and a distance from 125 to 150 parsecs (~400 to 500 light years).