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
A Star Is Born (2018 soundtrack) six in the New Zealand Albums Chart, and after two weeks reached the top. It has since held the top spot in both countries for eight weeks in a row as well as being certified platinum. Notes Personnel adapted from "A Star Is Born" soundtrack liner notes and AllMusic. A Star Is Born (2018 soundtrack) A Star Is Born is the soundtrack album to the 2018 musical film of the same name, performed by its stars Lady Gaga and Bradley Cooper. It was released on October 5, 2018, by Interscope Records. Gaga and Cooper collaborated on the soundtrack album with