Celestial Atlas
Fornax <—     Gemini: The Twins (Castor and Pollux)     —> Grus
(possessive form Geminorum, abbreviation Gem)
Hold the cursor over any Greek letter shown in the text to see its English transliteration
Constellations Bordering Gemini
(tba)

Gemini is one of the 48 ancient constellations recorded by Ptolemy.

Map of Gemini
Modified version of Wikimedia Commons map by Torsten Bronger


Stars in Gemini

     Stars which have common names often have multiple names, so the common names shown (if any) cannot be considered authoritative. Right ascension and declination are given in 2000.0 coordinates.

α Gem (Castor)

β Gem (Pollux)

γ Gem (Alhena)

δ Gem

ε Gem


Celestial Atlas
Fornax <—     Gemini: The Twins (Castor and Pollux)     —> Grus