The idea of the constellations took

The idea of the constellations took off from the first old constellations to the new modern constellations that we have today. Originally there were 48, and 40 were added over a long period of time by many astronomers who have been charting the heavens. There are now 88 official constellations that are mapped in the night sky from Earth, from pole to pole forming a sphere around the earth.  Read more here in details

Constellations