How many minutes does a radio signal take to reach Mars when it is farthest from Earth?

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The answer

22 minutes

About 22 minutes. A Mars rover cannot be driven live.

How to get there

1. 401 million km ÷ 300,000 km/s = 1,337 s
2. ÷ 60
3. = about 22 minutes

Source: Calculation with 401 million km maximum distance (Wikipedia: Mars)

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