Question

what is a wormhole in space which appears like a blackhole.

Answer 1

No black hole is a dead star which produce when a star thirty times big then over sun collapse.

Answer 2

A wormwhole is a theoretical passage through space time that could create shortcuts for long journeys across the universe. Wormholes bring wiyh them dangers of sudden collapse, high radiations and dangerous contact with exotic matter. They were first theorised in 1916 though that wasn't what they were called at the time.....

this was the short description about wormhole

hope it helps u....