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Win a trip to Mars, courtesy of T-Mobile's CEO

T-Mobile CEO John Legere wants to send someone to Mars -- but only if he gets 1 million retweets.

Now playing: Watch this: Elon Musk reveals grand plan to colonize Mars​

When Tesla founder and SpaceX CEO Elon Musk unveiled his plans to colonize Mars in September, he estimated that it currently costs about $10 billion to send a person to the planet. But ideally, Musk wants to drive down that price to a cool $200,000 (the median price of owning a house) in the next 40 to 100 years.

If that price still sounds steep to you, you have a chance to win that trip by entering into a contest courtesy of T-Mobile CEO John Legere. To participate, you'll need to retweet his Tweet below:

The contest is to commemorate Legere hitting 3 million Twitter followers. If he gets 1 million retweets, a single entrant will win a trip to Mars. If a Mars trip isn't "commercially available" at the time, or doesn't "want to take advantage of the trip to Mars" according to T-Mobile, the winner will get a $200,000 check instead. There are other prize tiers depending on how many retweets Legere receives, including a trip to "anywhere in the US" (in the form of an $800 airline credit) and a "zero gravity chair," which is actually just a $2,000 leather massage chair.

The contest ends on October 11, with a winner drawn later that week. Click here for full rules and details.