In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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