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Already checked? You can find even more exciting videos in the Checker World of the ARD media library: https://1.ard.de/checkerwelt. ???? Checker Tobi is curious about what it would be like to travel to Mars. That's why he visits the physicist and Mars expert Christiane. She lived in a special Mars station in Hawaii for a whole year to find out what it might feel like to live and work on this distant planet. With a cool trick, Tobi and Christiane travel to Mars in the Checker rocket and experience an exciting journey of discovery there. Be there when they explore the secrets of the red planet! ???????? * Comments are disabled to protect minors. You can email questions or comments to [email protected]. ???? Checker Tobi is also available to listen to. The CheckPod in the ARD audio library: Checkpod at: https://www.ardaudiothek.de/rubrik/fu...