Meteor on the moon
This task is about how sound and light travel.
Question
a) Suppose a huge meteor crashed on to the visible part of the Moon's surface causing a massive explosion.
What would an observer on Earth see and hear?
A bright flash and the loud noise of the explosion as it happened.
The flash of the impact followed a little later by the sound of the explosion.
The flash of the explosion, but no sound would be heard.
Nothing; the explosion would be neither seen nor heard.
b) Explain why the answer you chose is correct.
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