... All the Colors of the Sun . ... It is still not known why the Sun's light is missing some colors. ... Mysterious Green Patches on the Sky . ... The Fairy of Eagle Nebula . ... The Andromeda Galaxy 2.5 million light years away is the most distant object easily seen by the unaided eye. ... Separated by about 14 degrees (28 Full Moons) in planet Earth's sky, spiral galaxies M31 ,left, and M33 are both large members of the Local Group, along with our own Milky Way galaxy. ...