Ok, it’s Saturday.  So no theme, no gimmes, at least one long clue that you don’t know.  So how ’bout some hints?

Sports org. of 1967-76:  It’s maybe the most commonly known league that got absorbed, along with some of it’s rules, into a current profession sports org.

Word of logic:  Boolean logic, that is

Bygone theory of astronomy:  Well, Copernicus sure set him straight!  Besides he even spells his name funny.  And he wasn’t even from Brno or one of those other places that hate vowels.

Blanket:  Think covering a lot, but not necessarily keeping you warm at night.

Hideous one:  It might help you to know that this is a kind of weak answer.  I don’t think anyone ever actually refers to someone who’s hideous using this word

Obituary word:  Not just obituaries use this word in announcing events in the newspaper

“Ugly Betty” actress:  A lot more famous for her exploits on something other than the silver screen

One-seat carriage:  Or what if a slap-stick actor married the world’s oldest comedian.