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  • "The variations in so-called terrestroid planets are not great from a percentage standpoint, but to human beings they make a tremendous difference.

    do you ever read writing?

  • The two Lunarians poised panther-quiet, the terrestroid human shifted from foot to foot and scowled.

    The Stars Are Also Fire

  • It lifted high, not grimy like its counterparts on terrestroid planets but clear, polished glassy-smooth, a cold and mysterious blue.

    Inconstant Star

  • It is the best known of the terrestroid candidates, therefore the most promising for settlement.

    The Boat of a Million Years

  • You understood what a war it had been, and was yet, to keep terrestroid life going on this-unusually Terra-like-world.

    The Game Of Empire

  • However, sometimes ruins have endured on terrestroid worlds, fossilized, so to speak.

    The Game Of Empire

  • But we did not establish orbit around its most terrestroid attendant until neutrino analysis had verified that nobody in the system had developed atomic energy.

    The Earth Book of Stormgate

  • On an essentially terrestroid planet, evolution basically parallels our own because it must.

    The Earth Book of Stormgate

  • One of its planets was terrestroid to numerous points of classification, both physically and biochemically.

    The Earth Book of Stormgate

  • They were part of the “supercharger” system which enabled a creature his size to fly under basically terrestroid conditions.

    The Earth Book of Stormgate


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