The revolution of the Moon around the Earth makes the Moon appear as if it is changing shape in the sky. This is caused by the different angles from which we see the bright part of the Moon's surface. These are called phases of the Moon. Of course, the Moon doesn't generate any light itself; it just reflects the light of the Sun.
Grey's Anatomy 's first season commenced airing as a mid-season replacement to Boston Legal on March 27, 2005 and concluded on May 22, 2005. The nine-episode season aired on Sundays in the 10:00pm EST time slot, following Desperate Housewives.
On February 10, 2017, ABC renewed Grey's Anatomy for a fourteenth season, which premiered on September 28, 2017. The series' success catapulted such long-running cast members as Pompeo, Dempsey, and Oh to worldwide recognition; they were among the top five highest-earning television actors in 2013.