aka Beta Geminorum (β Gem)

The closest giant star to Sol. Pollux is the brightest star in the constellation.

aka Alpha Geminorum (α Gem)

Castor is a complex multiple star system made up of six individual stars. Although it has the identifier 'alpha', it is actually fainter than Beta Geminorum (Pollux).

aka Kappa Geminorum (κ Gem)

aka Delta Geminorum (δ Gem)

In 1930, the dwarf planet Pluto was discovered about 0.5° to the east of this star by astronomer Clyde Tombaugh.

aka Gamma Geminorum (γ Gem)

The third-brightest star in the constellation.

aka 1 Geminorum (1 Gem)

aka Mu Geminorum (μ Gem)

It has the traditional name Tejat Posterior, which means back foot, because it is the foot of Castor, one of the Gemini twins.

aka Eta Geminorum (η Gem)

It has the traditional name Tejat Prior, which means front foot.

(ν Gem)

A lone class B star.

aka Geminga

Geminga was the first example of an unidentified gamma-ray source, a source which could not be associated with any objects known at other wavelengths.

aka Epsilon Geminorum (ε Gem)

It is located on the outstretched right 'leg' of the twin Castor.

aka Mekbuda (ζ Gem)

It is located on the outstretched left 'leg' of the twin Pollux.