Multiple choice general knowledge science & technology

If the sun stopped shining suddenly, it would take -- minutes for people on earth to be aware of the fact

  1. 6

  2. 7

  3. 8

  4. 9
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Light from the Sun takes approximately 8 minutes and 20 seconds to travel the 150 million kilometers to Earth at the speed of light (about 300,000 km/s). If the Sun suddenly stopped shining, we wouldn't know until after this travel time elapsed.

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