Even with so many scientists studying the Night Sky there are still many strange and amazing phenomena that appear from time to time. Some of these have reasonable understandings about their origin. But some phenomena explainations exist in the realm of "just educated guesses". That is one thing that makes Astronomy so interesting.
Most of the phenomena that we can see is somehow involved with the sky and clouds, water, and dust, and a particular way that sunlight or moonlight shines through. But if you take a good look at the "Face on Mars" you can really start to wonder!
Photo : Gary 2003