Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Complex image recognition tasks like these are currently done more reliably by a human than a computer. Therefore, you can help humanity's understanding of the surface of Mars by volunteering to classify craters . All you need for this pilot study is a proper web browser and a mouse. If asked to classify the above crater, you might best respond that it appears relatively fresh, as it exhibits a sharp rim and a well-preserved interior.
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