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  1. Planetary Science

    It’s only a sharper moon

    Astronomers have taken what appears to be the sharpest image of the moon ever recorded from Earth.

    By Ron Cowen
  2. Astronomy

    Lonely Universe

    In a universe dominated by a mysterious antigravity force, dubbed dark energy, distant galaxies will eventually recede from each other faster than the speed of light and observers in our Milky Way some 50 billion years from now will see only a handful of other galaxies in the sky.

    By Ron Cowen
  3. Math

    Golden Blossoms, Pi Flowers

    In the head of a sunflower, the tiny florets that turn into seeds are typically arranged in two intersecting families of spirals, one winding clockwise and the other winding counterclockwise.