The fraction of galaxies described by this adjective in galaxy clusters increases alongside another variable in the Butcher-Oemler Effect. This adjective (15[1])describes the star Sanduleak -69 202 in a 1987 Nature paper that described that star unusually being a progenitor for a supernova. (-5[1])This adjective names a “loop” that intermediate-mass stars may undergo when they begin burning helium. (15[1])This adjective (-5[1])describes anomalously young stars in globular clusters like (15[1])M53, which are called (*) “stragglers” (10[2])described by this adjective. (10[1])Visible light is subtracted from light named (10[1])for this adjective in a common index used on the x-axis of observational H-R diagrams. Along with white, this color describes the color of type-O stars (10[1])and the star (10[1])Rigel, (10[4])which all have low values (10[1]-5[1])for color index. Light’s wavelength [emphasize] decreases, and thus energy increases, in this color’s namesake “shift.” (-5[1])For 10 points, what color titles a Voyager 1 photo of Earth as a “pale dot?” (10[1])■END■ (10[1])