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Earth Matters

    April Puzzler

    Every month on Earth Matters, we offer a puzzling satellite image. The April 2015 puzzler is above. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image shows, and why the scene is interesting. How to answer. Your answer can be a […]

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    Tournament Earth 2015 Champion

    Tournament Earth 2015 has come to a dramatic end. Despite some tough match ups, the colorful faults of Xinjiang fought off a bolt of lightning (as seen from the International Space Station), taking the #2 seed from the art division all the way to the championship. This year’s victory was a first for an image […]

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    March Puzzler Answer: NWT Winter Road

    The answer to the March 2015 puzzler, most commenters agreed, involved snow and ice and cold climates. A great many guesses correctly zeroed in on far northern latitudes, with surmises about pipelines in Alaska, airport runways in Siberia, railroad sidings, and ice roads on frozen lakes. You can see the full answer and image reveal […]

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    March Puzzler

    Every month on Earth Matters, we offer a puzzling satellite image. The March 2015 puzzler is above. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image shows, and why the scene is interesting. How to answer. Your answer can be a few […]

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    February Puzzler Answer: Bang Kachao

    The answer to the February 2015 puzzler does not involve the stomach or kidney as many readers suggested. But if your answer mentioned the organ associated with breathing—the lung—then you were partially correct. The image shows Bangkok’s “green lung.” That’s the nickname given to Bang Kachao, a lush protected area that has escaped the dense […]

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    A Century Studying Flight

    “Today marks a special anniversary for the NASA family,” Administrator Charles Bolden wrote in a letter to NASA employees. On March 3, 1915, the U.S. Congress created the National Advisory Committee for Aeronautics (NACA), the organization from which NASA was later created in 1958. Bolden notes that NACA was initially formed because political leaders at the time were […]

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    February Puzzler

    Every month on Earth Matters, we offer a puzzling satellite image. The February 2015 puzzler is above. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image shows, and why the scene is interesting. How to answer. Your answer can be a few […]

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    Flipped, Dirty, Amazing Icebergs

    Icebergs are white, right? Well, no, not completely. As seen in this shot (above) of a recently-flipped iceberg, their undersides can come in spectacular shades of blue and green. The photograph was captured in Cierva Cove, Antarctica, by videographer Alex Cornell during a family vacation. “[It] had this arresting alien-green color to it,” Cornell said […]

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    January Puzzler Answer: Arrecife Alacranes

    The January 2015 puzzler (top image) might look like bacteria in a petri dish—many guesses played off some variation of that theme. However, if you answered “coral reef,” you were on the right track. Alexandre Mathieu was the fist to submit a comment to our Earth Matters blog suggesting that the image was a reef. There […]

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