Pluto is smaller than Russia.
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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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A comet's tail always points away from the sun.
2
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14