Multiple choice

Many explosions occur in stars in distant galaxies. But why cannot we hear them?

  1. Rotation of the earth on its axis avoids these sounds.

  2. Sun absorbs these sounds.

  3. Sound cannot travel through vaccum.

  4. The sounds get absorbed in the star itself.

  5. These sounds get diverted away from earth.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sound needs a medium to travel. It cannot travel through vaccum.

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