You're still not getting it XD
I'm only going to day this once...
NO ONE is denying that the earth spins 365 times in a year, that's fact. However, it was man that came up with the CONCEPT of dividing these rotations into days, and then into years. As you've said yourself, a 'year' isn't...
I don't know what's more shocking. The number of people who beileve in Alien probe's (LOL) or the number of people who don't understand what a man-made concept is.
But why would it be MANS adaptation of an alien? If life does exist, it would probably be a low functioning organism. If you really believe little green men jump in flying ships to spy / probe earthlings, you're ****ing ******ed.