According to Billy Meier. His ET friends told him the Universe is 46,000,000,000,000 years old.
(Trillion)
Shrugs.
Other life in our galaxy and the universe.
"106. Known to us, in this galaxy, are only 2,630,000 highly developed human civilizations, which actually belong together, whereby, from other galaxies known to us, a further 1,141,000,000 can be factored in."
Again… Shrugs.