These days astronomers use constellations as guideposts for naming newly learned stars. Constellations also carry on to serve as navigational equipment. In the Southern Hemisphere, one example is, the well known Southern Cross constellation is utilized as some extent of orientation. The Crab Nebula, stays of a supernova that was https://bdautogroup93692.blog5star.com/36646679/the-basic-principles-of-resort