Why can supernova explosions in space be seen but not heard on earth?

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Because light cannot travel in a vacuum but sound can

Because sound waves are infrasonic

Because sound waves are ultrasonic

Because sound cannot travel in a vacuum but light can.

answer is A.

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Detailed Solution

Sound cannot be transferred through space because it needs a medium to pass through. The vacuum of outer space has essentially zero air.

While light does not require any medium to travel. Because of this, humans can observe supernova explosions but not hear them.

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