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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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If two pieces of metal touch in space, they become permanently stuck together.
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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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