A pair of cat's eyes glows just above the northwestern horizon at nightfall: Pollux and Castor. The stars mark the heads of the constellation Gemini. Pollux is about twice as bright as Castor, which is close to its right.
A pair of cat's eyes glows just above the northwestern horizon at nightfall: Pollux and Castor. The stars mark the heads of the constellation Gemini. Pollux is about twice as bright as Castor, which is close to its right.