Multiple choice

Which of the following makes a direct connection between two very distant points in space?

  1. A black hole

  2. A wormhole

  3. A pigeonhole

  4. A doughnut hole
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A wormhole is a theoretical passage through space-time that could create shortcuts for long journeys across the universe. Other options like black holes are gravitational singularities, not tunnels.

Keep practicing — related questions