Answer: wormhole

AnswerCrossword Clue
WORMHOLE

Hypothetical space-time shortcut

WORMHOLE

Theoretical connector of universes

WORMHOLE

Theoretical space passageway

WORMHOLE
Apple bug?
WORMHOLE
Hypothetical feature of the space-time continuum
WORMHOLEUnwelcome sight on an apple
WORMHOLETheoretical passageway in space