Light travels incredibly fast, but the vast distances in our solar system mean sunlight takes different amounts of time to reach each planet. Explore how the speed of light and planetary distances create these amazing time differences across our solar system!
Time Taken by Sunlight to Reach Planets
Light travels at approximately 299,792 kilometers per second (186,282 miles per second). Below are the times it takes for sunlight to travel from the Sun to each planet in our solar system.
Mercury
3.2 minutes
Venus
6.0 minutes
Earth
8.3 minutes
MARS
12.7 minutes
JUPITER
43.2 minutes
SATURN
79.3 minutes
URANUS
159.6 minutes
NEPTUNE
250.0 minutes
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