Astronomy Project

How Astronomers Divide the Night Sky

What They Do

Astronomers divide the night sky into 88 regions by using the different constellations. The area around each constellation is consider its region, because there are 88 constellations in the night sky, this number was recorded by the Astronomical Union as of 1928.

Leo the Lion

Leo's brightest star is the blue-white Regulus, the last star in the constellation is known as Denebola. Leo also contains quite a few bright galaxies. Leading the list are three galaxies that together form the Leo Triple, those galaxies are M65, M66, and NGC 3628. NGC 3628 is actually a spiral galaxy much like the Milky Way.