Tycho

Tycho is:

The first name of Tycho Brahe, a Danish nobleman, well known as an astronomer/astrologer
A crater on the moon named after him; see Tycho (crater)
A crater on Mars named after him; the Tycho Brahe crater
A character from the webcomic Penny Arcade, also named for him
A catalogue of stars, based on precise measurements of the Hipparcos satellite
A fictional AI in the computer game Marathon

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Categories: Disambiguation