| a theory that deduces a cataclysmic birth of the universe from the observed expansion of the universe, cosmic background radiation, abundance of the elements, and the laws of physics |
| any of the nine large heavenly bodies revolving about the sun and shining by reflected light: a similar body revolving about a star other than the sun |
| plage (pläzh) Pronunciation Key
A bright and intensely hot area in the Sun's chromosphere, usually associated with a sunspot. It is typically brighter than its surroundings but may be indistinguishable due to lack of contrast. Plages are sources of strong ultraviolet radiation. |