Looking Up column: Catching the starry Boomerang

There it goes again. The celestial boomerang is swinging down. One of the more distinctive constellations in the sky is a gentle curve of stars most commonly known as Corona Borealis, the Northern Crown. This group, visible on spring evenings rising in the east, was known by Australian Aborigines as Womera, translated as “The Boomerang.”Like all constellations, they come and they go, perhaps not unlike a boomerang, which is supposed to come back if you throw it correctly. […]  » Read More