The figure in the sky: north is up, east is to the left. Larger dots are brighter stars.

Constellation

Gemini

The shape: two parallel chains of stars with Castor and Pollux at the top.

Castor and Pollux were inseparable brothers. When Castor died, the immortal Pollux asked his father Zeus to let him share his eternal life with his brother. So now they stand together in the sky – two bright stars, head to head.

The stars of the figure

From bright to faint. Brightness is given in magnitudes (mag): the smaller the number, the brighter the star.

Pollux · 1.14 mag
Castor · 1.58 mag
Alhena · 1.93 mag
Tejat · 2.87 mag
Mebsuta · 2.98 mag
Wasat · 3.53 mag

Shooting stars from the constellation Gemini

Geminids: these shooting stars seem to come from this part of the sky. More under Meteor showers.

In the 3D model

In the 3D model, under “Explore”, the sky dome shows when the constellation Gemini can be seen above Switzerland. “Constellations in 3D” shows how far apart its stars really are.

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