Mental Floss

SPACE

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The solar system: It’s big, it’s heliocentric, and it’s got space junk to spare. Here are 24 out-of-this-world facts about the corner of space that’s home to Earth.

Meredith Danko










The night sky is full of colors—except green.

You can look up and find white, red, blue, and yellow stars, but green stars are missing from the night sky.

Michele Debczak