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OTD in Space - Aug. 17: Asaph Hall Discovers the Martian Moon Phobos
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On Aug. 17, 1877, American astronomer Asaph Hall discovered Mars's moon Phobos. Discover space history 👉 https://trib.al/eXzHYWh Hall was working at the U.S. Naval Observatory in Washington, D.C. and looking through a 26-inch refractor telescope — which was then the largest in the world — when he first spotted the moon. Six days earlier, he had discovered another, smaller moon that he first described as "a faint star near Mars." Upon further inspection, not only did he realize that this star wa
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🇺🇸🥳 On Aug. 17, 1877, American #astronomer Asaph Hall discovered Mars's moon Phobos. Explore more space history 👉 https://trib.al/6N2cLll Hall was working at the U.S. Naval Observatory in Washington, D.C. and looking through a 26-inch refractor telescope — which was then the largest in the world — when he first spotted the moon. Six days earlier, he had discovered another, smaller moon that he first described as "a faint star near #Mars." Upon further inspection, not only did he realize that
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