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  1. SpaceX launches 21 Starlink satellites from Florida, lands booster for 15th time

    SpaceX launches 21 Starlink satellites from Florida, lands booster for 15th time

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  3. China launches Earth observation satellite for Pakistan

    China launches Earth observation satellite for Pakistan

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  5. SpaceX launches 2 private lunar landers to the moon

    SpaceX launches 2 private lunar landers to the moon

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  6. "Eratosthenes Refuted | Globe Earth Mathematically Debunked" (2017) 

    "Eratosthenes Refuted | Globe Earth Mathematically Debunked" (2017) 

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    100
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