* Sirius: The brightest star in the sky, Sirius, is part of the Canis Major constellation. It is a binary star system, meaning it consists of two stars orbiting a common center of mass. Sirius is a very hot star, with a surface temperature of about 18,000 Kelvin. It is also one of the most luminous stars in the night sky, emitting 20 times more light than our sun. Sirius is located in the southern hemisphere, and it is best seen during the winter months.
Spring
* Arcturus: The brightest star in the spring sky is Arcturus, part of the Boötes constellation. Arcturus is an orange giant star, meaning it is a large, cool star that is in the later stages of its life. Arcturus is about 36 light-years from Earth, and it is about 25 times larger than our sun. Arcturus is located in the northern hemisphere, and it is best seen during the spring months.
Summer
* Vega: The brightest star in the summer sky is Vega, part of the Lyra constellation. Vega is a blue-white main sequence star, meaning it is a hot, luminous star that is still in the main sequence stage of its life. Vega is about 25 light-years from Earth, and it is about twice as large as our sun. Vega is located in the northern hemisphere, and it is best seen during the summer months.
Fall
* Capella: The brightest star in the fall sky is Capella, part of the Auriga constellation. Capella is actually a binary star system, consisting of two stars that orbit each other every 104 days. Capella is a yellow giant star, meaning it is a large, cool star that is in the later stages of its life. Capella is about 42 light-years from Earth, and it is about 11 times larger than our sun. Capella is located in the northern hemisphere, and it is best seen during the fall months.