Maxine didn't know if there was a specific number. "Probably hundered of them" She said thinking they probably didn't even know how many with new things be discovered every day. "And I'm sure as a human race we have not discovered them all. I wonder if the centurs know about ones we don't" The were sky watches to, and lived them so the centurs could know about ones that they didn't. "Alot of them are in the shapes of animals" She added trying to remember all of the ones that she actaully knew.