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  1. Humans

    From the November 9, 1935, issue

    Beauty in a machine shop, a cloud of island universes, and moon-made earthquakes.

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  2. Astronomy

    Moon Zoom

    Imagine riding a magic carpet around the moon and being able to zoom down to any point or appear magically at any location. NASA has developed software that allows you to interactively browse three-dimensional images of the moon, based on data obtained by the Clementine spacecraft. These Web pages provide information about downloading the software, […]

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  3. Planetary Science

    Protecting Earth: Gravitational tractor could lure asteroids off course

    Relying solely on the tug of gravity, a proposed spacecraft could divert an asteroid on a collision course with Earth.