moon shot

noun3

1. •
   The launching of a spacecraft or an object to orbit or land on the Moon.

   • Hand across the sea: Sir, Heartiest congratulations on your new 50,000-plus circulation. I regard your feat as comparable to the Russian moon shot. David P. Morgan, Editor, "Trains", Milwaukee, U.S.A. — 1960
2. •
   (figurative) An expensive, hard, or unlikely task of great potential impact.
3. •
   An act of throwing or hitting a ball with a high trajectory.

   • [Mickey] Mantle pounds out a moon shot in this night contest when he slams the [base]ball against the left-center facing of the second deck at Comiskey Park. — 1998