Answers

2016-03-14T18:26:26+05:30
Sound cannot travel through vacuum so one cannot hear explosions happening on other planets
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2016-03-14T18:29:45+05:30
Atmosphere is only found in earth. Sound needs a medium to propagate. As there is no air outside the Earth, the sound can't travel and hence we can't hear the sound of explosion taking place on other planets.
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