hip-34909

Its story

51 Geminorum is a variable orange K-type giant kindled some 541 light-years away on the eastern flank of the Twins. Its brightness shifts gently, that slow pulse typical of swollen suns that have left behind the calm burning of hydrogen. The light we see tonight set out deep in the fifteenth century, as Gutenberg's press began to multiply knowledge: five centuries of travel to arrive as an amber heartbeat in our telescopes.