Something big on the Moon in newly discovered Apollo 8 photo!

Apollo Image AS08-18-2908

Apollo 8 image: http://www.lpi.usra.edu/resources/apollo/frame/?AS08-18-2908

Secureteam10 received a message on Twitter from one of his followers who discovered something very strange on the Moon in Apollo 8 image.
There is a massive triangular-shaped object that appears over or on the Moon.  What is this thing on the Moon?


              

Latest image of Pluto shows city?

There appears to be a large vent and tunnel system on Pluto. This could confirm that the planet maybe used as a hub or space station for an alien race.

Pluto image: http://solarsystem.nasa.gov/multimedia/display.cfm?Category=Planets&IM_ID=20233