I was just reading a book to put my 4 year old to sleep, and there is a part where there is a satellite that took a picture of pluto, considering how far pluto is, how can the satellite send the images back to earth with that distance?
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The answer to this question depends on the type of satellite used. If the satellite is a deep space probe, then the images can be sent back to Earth using radio waves. Radio waves are electromagnetic waves that can travel through space and can be received by antennas on Earth. If the satellite is a telescope, then the images can be sent back to Earth using optical communication, which involves using lasers to transmit the images.
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