A Man, a Plan, a Canal—Mars!

from 99% Invisible Hosted by David Baron

How one wealthy, amateur astronomer convinced the world Martians were real. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.

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A Man, a Plan, a Canal—Mars!

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How long is this episode of 99% Invisible?

This episode is 32 minutes long.

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This episode was published on March 10, 2026.

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