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.
Night or nighttime (sp. night-time or night time) is the period of time between the sunset and the sunrise when the Sun is below the horizon. Complete darkness or astronomical night is the period of time between astronomical dusk and astronomical dawn when the sun is between 18 and 90 degrees below the horizon and the sky is totally dark.