Multiple choice general knowledge science & technology

Every hour the Universe expands by _ _ _ in all directions.

  1. billion miles

  2. million miles

  3. trillion miles

  4. It doesn't expand
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The universe is expanding due to dark energy. While the exact rate in miles per hour is not standard scientific notation, the concept reflects cosmic expansion at approximately 70 km/s/Mpc (Hubble constant). This trivia question uses 'billion miles per hour' as a simplified representation of continuous expansion in all directions.

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