Question

What is the tallest known mountain in the universe?

Answer 1

Olympus Mons on Mars

Explanation:

We are not able to observe mountains beyond our own solar system yet. So the current record holder is Olympus Mons on Mars at about `3` times the height of Mount Everest.

Answer 2

Olympus Mons

Explanation:

Located in Mars, it is the tallest known mountain to humans. It is `3` times the height of Mt.Everest.

Answer 3

NOT Olympus Mons

Explanation:

According to http://study.com/academy/lesson/olympus-mons-facts-height-quiz.html, Olympus Mons - 22 km (13.7 mi) is the second highest mountain in the universe, and I am trying to find out what mountain is higher...

Added:
Rheasilvia Mons, 4 Vesta Asteroid – 23 km (14.2 mi)
4 Vesta Asteroid is orbiting our sun.