Spring begins with the vernal equinox which occurs on March 20th in the Northern Hemisphere. This change heralds the rise of the spring constellations and sadly, we have to say goodbye to the bright stars of winter including the awesome Orion constellation.
Double Star or Binary Star systems contain two stars that rotate around their common center of gravity. In these systems, the brighter or larger star is referred to as the primary star and the smaller or dimmer star is referred to as the secondary star.
It’s time to pull out the star charts and take a look at the winter constellations in the Northern Hemisphere. The winter sky is dominated by the awesome constellation, Orion and Orion can be used as the starting point for your winter constellation observing.
A supernova occurs when a super massive star explodes. It is a dramatic end to a star’s life.
The Pleiades are an open star cluster found in the constellation Taurus and make their appearance in the northern hemisphere night sky in late autumn. This small, bright blue star cluster is also referred to as The Seven Sisters. How did they get their name?