The Voyager 1 probe, launched in 1977, is now so far from Earth that a radio signal travelling at the speed of light takes over 22 hours to reach it, and it is still sending data back from interstellar space on a power source the size of a car battery

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Voyager 1, launched in 1977, is now so far from Earth that a radio signal travelling at the speed of light takes more than 22 hours to reach it. And it is still working, still sending data back from interstellar space, running on a nuclear power source that today produces less electricity than a couple [...] The post The Voyager 1 probe, launched in 1977, is now so far from Earth that a radio signal travelling at the speed of light takes over 22 hours to reach it, and it is still sending data back from interstellar space on a power source the size of a car battery appeared first on Space Daily .