What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Wednesday, May 30, 2012

Hydra

Hydra is in the form of a water snake. It is one of the largest and brightest constellations in the sky. Alphard contains three Messier clusters. M48 is a cluster of eighty stars. M68 is a small gobular cluster. The third Messier cluster is a spiral galaxy and Nebula, NGC 3242.

Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)