Bad-ass gravity pump

The Bad-Ass Gravity Pump was created by Professor Farnsworth and Ethan 'Bubblegum' Tate. It is used to move stars, so time skips can be prevented, and it cost all of the money on Earth. It took months to build.

A notable feature is the basketball at the end of the gun.

Quotes
''[Time skips. The ship take off with the gravity pump attached to the roof.]'' Farnsworth: [waving] Off you go, apparently!
 * Farnsworth: Now to begin the arduous task of attaching it to the ship so th--