Gemini

R.H. Allen:
Star Names

Ian Ridpath:
Star Tales

Sea and Sky:
Constellations

NASA:
Constellations

Constellations

Gemini

The Twins

Gemini is a constellation in the northern celestial hemisphere.
Gemini has been know as a constellation even prior to Greek mythology. It is one of the 48 original Ptolemaic Constellations and one of the twelve constellations of the Zodiac.
Legends about the constellation can be found in many cultures.
Gemini in the Night Sky

This section describes the constellation as it is seen in the night sky.

For myth and star lore about Gemini click here.

Star maps based on map provided by Sea & Sky

The stars of Gemini

Number Desig-
nation Name
Number Desig-
nation Name
1 M35 Messier 35 / NGC 2168
10 δ Wasat
2 β Pollux
11 κ Kappa Geminorum
3 α Castor
12 λ Lambda Geminorum
4 γ Alhena
13 θ Theta Geminorum
5 μ Tejat Posterior
14 ζ Mekbuda
6 ε Mebsuta
15 υ Upsilon Geminorum
7 ι Iota Geminorum*
16 ν Nu Geminorum
8 η Propus*
17 ρ Rho Geminorum
9 ξ Alzirr
18 τ Tau Geminorum

19 ο Jishui

* R. H. Allen assigned the name "Propus to Eta_Geminorum.
Some other publications assign the name "Propus" to Iota Geminorum.

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