... Northern Spring on Mars . ... When Roses Aren t Red . ... Likewise, the beautiful Rosette Nebula and other star forming regions are often shown in astronomical images with a predominately red hue - in part because the dominant emission in the nebula is from hydrogen atoms. ... Enceladus Near Saturn . ... The Coma Cluster of Galaxies . ... Each of these galaxies houses billions of stars - just as our own Milky Way Galaxy does. ... Our Busy Solar System . ... Red Spot Jr . ... The Big Dipper Cluster ....