Joke Collection Website - Blessing messages - If it is true, send a message to a friend on Mars and he will reply immediately. How long will it take me to receive his reply?
If it is true, send a message to a friend on Mars and he will reply immediately. How long will it take me to receive his reply?
The distance from the Earth to Mars is1.200 million kilometers, 400 light seconds.
If two people contact by SMS, it takes 800 seconds to go back and forth, and it takes more than ten minutes.
Due to celestial movement, the shortest distance between two planets can be shortened to 55.76 million kilometers, which means that a short message can be shortened to 350 seconds.
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