We might have found aliens. Then we ran out of money.

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If you scroll through the photos that the perseverance rover sends us from the frigid desert of Mars, you're going to find hundreds of pictures of this.

It's a calibration target that helps adjust the colors for one of the cameras.

And if you look really closely, you can see a tiny message printed on the side.

Are we are we alone?

We came here to look for signs of life and to collect samples of Mars for study on Earth.

That's the mission.

And that's the question that Percy was designed to answer.

It's a question that has driven so much of our exploration of Mars.

And the thing that's driving me kind of crazy is that we may have already found an answer, but we just have no way to check.

See, that Rover is carrying tubes that it filled with Martian rocks.

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