Double, Double, Toil and Trouble Double, Double, Toil and Trouble Double, Double, Toil and Trouble is a 1993 Halloween made-for-television children's film. It stars Mary-Kate and Ashley Olsen as two adventurous little girls who discover that their Great Aunt Sophia has been trapped and cursed by her evil twin sister Agatha. On the 7th year of her imprisonment, Sophia will be doomed to the netherworld unless the curse is broken by the magical spell of twins. The film's title is part of the famous line spoken by the three witches in Shakespeare's Macbeth (Act IV, Scene I): "Double, double toil and trouble; Fire burn and
Hubble bubble (astronomy) from those seen elsewhere in the universe was based on observations of Type 1a supernovae, often abbreviated "SNe Ia." Such stars have been used as standard candle distance markers for 20 years, and were key to the first observations of dark energy. Zehavi "et al." studied the peculiar velocites of 44 SNe Ia to test for a local void, and reported that Earth seemed to be inside a relative void of roughly 20% underdensity, surrounded by a dense shell, a "bubble". In 2007, Conley et al. examined the SNe Ia color data comparisons while taking into account the effect of