The planet Uranus reaches opposition Sept. 29, when it lies opposite the sun in its orbit and remains visible from sunset to sunrise on Earth. This configuration also brings the planet closest to us, so it is brighter in the sky and appears larger through a telescope than at any other time in 2012. Read more
Albireo in Cygnus the Swan is not only a fantastic blue/gold double star to see in a telescope, it makes a great jumping-off point to see several other celestial sights, such as the Coathanger Cluster, M71, Dumbbell Nebula M27, and more. The Moon skims by Jupiter early in the morning of September 8 (in the United States), though it is close by on the 7th and 8th for most other areas as well. Don't miss Mars and Saturn in the evening sky and where to spy Venus in the morning sky. See what's up in the night sky every week with "Eyes on the Sky" videos, astronomy made easy.
Solar time is a reckoning of the passage of time based on the Sun's position in the sky. The fundamental unit of solar time is the day. Two types of solar time are apparent solar time (sundial time) and mean solar time (clock time). Read more