Sirius its constellation, Canis Major (Greater Dog). The heliacal rising of Sirius marked the flooding of the Nile in Ancient Egypt and the "dog days" of summer for the ancient Greeks, while to the Polynesians in the Southern Hemisphere the star marked winter and was an important reference for their navigation around the Pacific Ocean. The brightest star in the night sky, Sirius is recorded in the earliest astronomical records. Its displacement from the ecliptic causes this heliacal rising to be remarkably regular compared to other stars, with a period of almost exactly 365.25 days holding it constant relative to the
The Groove (Sirius XM) The Groove (Sirius XM) The Groove is the name of Sirius XM Radio's Old School R&B channel, located on channel 50. The service signed on September 25, 2001 as part of XM Satellite Radio's offerings, broadcasting on channel 64. It was one of the three remaining Sirius XM-owned channels (along with Pop2K and The Village) that was not featured on Sirius's lineup until 2011. As part of XM Radio Canada simulcasting the U.S. service (with the exception of Clear Channel's channels) on April 1, 2007, The Groove was added to XM Radio Canada. The Groove focuses mostly on classic R&B,