Some of the symptoms associated with Polycystic Ovarian Syndrome (PCOS) include:1. 1  Infertility: As one of the most emotionally devastating symptoms on the list, infertility can cause a woman to question her role in society.
Its companion, Sirius B, is a star that has already evolved off the main sequence and become a white dwarf. Currently 10,000 times less luminous in the visual spectrum, Sirius B was once the more massive of the two. The age of the system has been estimated at around 230 million years.
Etymology. The name Sirius Black is a pun on his Animagus form of a black dog since the star Sirius is known as the Dog Star and is the brightest star in Canis Major, the Great Dog constellation. Sirius is derived from the Ancient Greek ÏÎµÎ¯ÏÎ¹Î¿Ï, Seirios, meaning glowing or scorcher..In Greek mythology, it is Orion's dog.tymology. The name Sirius Black is a pun on his Animagus form of a black dog since the star Sirius is known as the Dog Star and is the brightest star in Canis Major, the Great Dog constellation. Sirius is derived from the Ancient Greek ÏÎµÎ¯ÏÎ¹Î¿Ï, Seirios, meaning glowing or scorcher..