Behold the #FirstLight of a new instrument called the #KeckPlanetFinder (KPF) on the #Keck 10-m telescope in Hawaii. The image is a rainbow (or spectrum) of a star named 51 Peg, made famous in 1995 as the first sun-like star known by humans to have a planet. KPF effectively opened its eyes to 51 Peg. And it did so on Carl Sagan’s birthday, November 9. Read more about how KPF will improve our searches for all those incredible things just waiting to be known: https://keckobservatory.org/kpf/ #astrodon