Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

The Heart of The Heart

By kuky at Fri, 03/14/2008 - 7:40pm
The Heart of The Heart

The Heart Nebula, IC 1805, an emission nebula, lies some 7500 light years away from Earth. It is located in the Perseus arm of the Galaxy in the constellation Cassiopeia. This nebula is formed by plasma of ionized hydrogen (HII) and free electrons.