Gemini

Mythology

The constellation of Gemini is represented by the twins Castor and Pollux. They are the sons of Leda, wife of the Spartan king Tyndareus and Zeus. Despite being twins, Castor was supposed to be the son of Tyndareus and thus mortal. Castor was known horse trainer and Pollux of feats. When Castor was killed by the spear of Idas, Pollux, after revenge, asked Zeus to give immortality to his brother, and since both brothers are in the sky the constellation Gemini.

Gemini, visible during the fall and winter in the North hemisphere and the south hemisphere summer.

The constellation is crossed by the parallel 30 °, to observe for the first time emphasizes his two brightest stars Castor and Pollux of almost identical magnitude. Gemini is in an area full of stars in our galaxy, the Milky Way, the constellation crosses the eastern sector, therefore, we observe many double stars and clusters of bright stars and variables.

Gemini is a zodiacal constellation, that is, the ecliptic or imaginary line that moves the sun and now eight planets, constellation crosses from east to west the sun remained there for more than thirty days from the end of June the first half of July. Therefore, in Gemini can see the planets and asteroids. Bounded on the north Lynx Gemini and Auriga, to the east Taurus and Orion, south of the constellation Monoceros and Canis Minor and west with Cancer

Stars:

Pollux (β Gem)

Athena (γ Gem)

Castor A (αA Gem)

Tejat posterior (μ Gem)

Castor B (αB Gem)