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
Evergreen (Love Theme from A Star Is Born) "The Way We Were" in 1974), and her third on the adult contemporary chart ("The Way We Were" and 1964's "People"). In its year-end chart for 1977, "Billboard" ranked the platinum-certified single, which sold more than 2 million copies, the fourth-biggest single of the year. In the UK Singles Chart, the song peaked at #3 in 1977. At the 20th Annual Grammy Awards the song was nominated in three categories, winning in two for Best Pop Vocal Performance, Female and Song of the Year tying with "You Light Up My Life". The song was also nominated for Record of the