Easy to find and see even on bright nights Best globular cluster in northern skies Extra Dobsonian bonus: the galaxy NGC 6207 ...
Hercules' "Keystone" is home to the Great Globular Cluster in Hercules (M13), denoted here by a blue square. One of the biggest constellations in the night sky and a sure sign that summer has ...
The piece is written by science writer Nadia Drake — the daughter of Frank Drake, who designed the message — and it digs into the details of how the whole thing came about. I’ve somehow never read ...