constellation-guide.com

a86yy TIL the constellation Crux was once high enough to be visible to the ancient Greeks. Precession (the wobbling of Earth's axis) has lowered it
GY4LE TIL: Petrus Plancius, in 1612 created the Unicorn Constellation (Monoceros Unicornis) to fill the empty area between two large constellations, Orion and Hydra.