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From eternal life to life on Mars, billionaire side hustles you won't believe

Lovemoney Logo By Daniel Coughlin of Lovemoney | Slide 1 of 25: Achieving eternal life, colonizing Mars and mining asteroids may seem like the stuff of science fiction, but these near-impossible feats are mere side projects for the world's most wealthy people. Prepare to be wowed as we take a look at 25 of the most extraordinary passion projects the super-rich are bankrolling right now.

Billionaires' insanely ambitious side projects

Achieving eternal life, colonizing Mars and mining asteroids may seem like the stuff of science fiction, but these near-impossible feats are mere side projects for the world's most wealthy people.

Click ahead and prepare to be wowed as we take a look at 25 of the most extraordinary passion projects the super-rich are bankrolling right now.

© Courtesy Lucas Museum of Narrative Art

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