If there is a black hole, it's at least 20 times farther from Earth than the furthest planet, Neptune, in a distant region of our solar system called the extended Kuiper Belt. The belt is home to ...
NASA's Voyager 1 spacecraft took the first family portrait of the solar system! Voyager 1 was on its way toward interstellar space after completing its grand tour of the solar system at the time. Carl ...
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