Buzz Aldrin Jettisons 3rd Wife -- Files for Divorce

6/16/2011 11:50 AM PDT
Former astronaut Buzz Aldrin has filed for divorce from wife #3 ... TMZ has learned.

Buzz Aldrin Divorce

Buzz -- the second man to walk on the moon -- married Lois Driggs Cannon on Valentine's Day, 1988. 

In Buzz's divorce petition, filed by his attorney, Ronald Brot, in L.A. County Superior Court, he cites "irreconcilable differences." The couple has no children together.

According to docs, the couple separated two days ago, and the papers were filed yesterday.

0616_aldrin_mini_launchBit surprising, since Buzz and Lois were always arm-in-arm and smiling for cameras all over Hollywood -- like this night last year.