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  • Current events for April 22, 2018
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    Events in space history for 04/22:
    • Earth gets its own holiday; "Earth Day" delared (1972).
    • To understand how man is affecting Earth's environment, the Landsat satellite takes images (pictures) of Earth in different spectral wavelengths. In this way we can study what can be done to make Earth's future "Earth Days" happy ones for Earth.
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