The Dark Side of the Moon "Rhythm" voted it the seventh most influential progressive drumming album. One of the more notable covers of "The Dark Side of the Moon" is "Return to the Dark Side of the Moon: A Tribute to Pink Floyd". Released in 2006, the album is a progressive rock tribute featuring artists such as Adrian Belew, Tommy Shaw, Dweezil Zappa, and Rick Wakeman. In 2000, The Squirrels released "The Not So Bright Side of the Moon", which features a cover of the entire album. The New York dub collective Easy Star All-Stars released "Dub Side of the Moon" in 2003 and "Dubber Side
Digit (unit) one twelfth of the diameter of the sun or the moon. This is found in the Moralia of Plutarch, XII:23, but the definition as exactly one twelfth of the diameter may be due to Ptolemy. Sosigenes of Alexandria had observed in the 1st century AD that on a dioptra, a disc with a diameter of 11 or 12 digits (of length) was needed to cover the moon. The unit was used in Arab or Islamic astronomical works such as those of Ṣadr al‐Sharīʿa al‐Thānī (d.1346/7), where it is called "iṣba' ", digit or finger. The astronomical digit was in use