On maps, Earth is divided in half by an imaginary line called the Equator. One half is known as the northern hemisphere. The other is called the Southern Hemisphere. Viewed from the Earth, stars appear to from patterns on the inside of a huge imaginary sphere.
Like the Earth , this 'star sphere ' is also divided into northern and Southern Hemispheres. Some Southern Hemispheres stars Proxima Centauri, our nearest star apart from the sun , is part of the Centaurus constellations. It is 4.3 light -years away.
