You should consult your carâs ownerâs manual for specific details; in general, if you are going to let a car sit for more than six months without being driven, you should change the oil beforehand and drive the car for at least ten minutes a month.
View full size image. Sirius, also known as the Dog Star or Sirius A, is the brightest star in Earth's night sky. The name means glowing in Greek. With a visual magnitude of -1.46, the star is outshone only by several planets as well as the International Space Station. Because Sirius is so bright, it was well-known to the ancients. What came as a surprise to astronomers was the discovery of a companion star, Sirius B, in 1862.
August 21: Other Suns. Chara is one of the brightest stars Canes Venatici, the hunting dogs. Itâs in the west-northwest at nightfall, between the bright star Arcturus and the Big Dipper. Chara is almost exactly the same mass as the Sun, and a bit bigger and brighter.