the tallest known mountain in the solar system is Olympus Mons on Mars, 14 miles high

from base to peak

spacefact

Posted By: Tombs, Sep 2, 09:51:17

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1
On QI once they pointed out that although Everest is the highest mountain on earth...
Posted By: yarmyyarmy, Sep 2, 11:59:44
1
Records show nobody has ever successfully climbed it
Posted By: Tombs, Sep 2, 09:57:20
10
Mons Pubis
Posted By: jafski, Sep 2, 09:52:20

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