Photosphere Photosphere The photosphere is a star's outer shell from which light is radiated. The term itself is derived from Ancient Greek roots, φῶς, φωτός/"phos, photos" meaning "light" and σφαῖρα/"sphaira" meaning "sphere", in reference to it being a spherical surface that is perceived to emit light. It extends into a star's surface until the plasma becomes opaque, equivalent to an optical depth of approximately 2/3, or equivalently, a depth from which 50% of light will escape without being scattered. In other words, a photosphere is the deepest region of a luminous object, usually a star, that is transparent to photons of
Increase (given name) Increase was "... the never-to-be-forgotten increase, or every sort, wherewith God favoured the country about the time of his nativity." Increase (given name) Increase is a male given name. It is the English language literal translation of the name Joseph, which originates from Hebrew. Originating in England, the name was given primarily among Puritans in colonial New England and in the early 19th century in the United States. Since the 19th century, the name has declined in popularity and is now rare, if not extinct. The name Increase is the English literal translation of the name Joseph, which originates from