* Sound needs a medium to travel: Sound waves are vibrations that travel through a medium like air, water, or solids. Outer space is a near-perfect vacuum, meaning there are almost no particles for the sound waves to vibrate.

* No air, no sound: Without a medium, sound cannot travel and cannot be heard. Even if an explosion happened in space, you wouldn't hear a bang.

What you might see instead:

* Light and heat: You could see the intense flash of light from the explosion and feel the heat from the energy released.

* Shock waves: Some explosions in space, like supernovae, create powerful shock waves that can be detected by instruments. These shock waves can be visualized in images captured by telescopes.

So, while you wouldn't hear an explosion in space, you could still observe it through other means.