visit. Our knoant radar imagery and some startled squa probe t ioned for barely an ly sting down.

    So t’s o travel fart and t  but cold, as Mars frigidly attests. It, too,  retain a usable atmospurned into a frozene.

    But just being t distance from t be tory, for oted and fair, ly it is not. For t you need to have:

    t kind of planet.I don’t imagine even many geops, t en interior, but it’s a pretty nearcertainty t  all t magma s be here now.

    Apart from mucerior created tgassing t o build anatmospic field t sion. Italso gave us plate tectonics, ly smoot o a depters.

    t be life in t lonesome ocean, but tainly  be baseball.

    In addition to erior, s in tproportions. In t literal  stuff. to our o discuss it more fully in a minute, but first o considertors, beginning  is often overlooked:

    1tremops of Yelloone and similar organisms found elses realize t actually life of a type could range muc-even, pero.  alking about ions t ures.

    e’re a t.Not many of us normally t,but t is in effect  is. Most moons are tiny in relation to ter planet. tian satellites of Pance, are only about ten kilometers indiameter. Our Moon, er ter of t in tem o itself (exceptPluto,  because Pluto is itself so small), and makes to us.

    it teadying influence, top,  consequences for climate and eady gravitationalinfluence keeps t t speed and angle to provide t of stabilitynecessary for t of life. t go on forever. t a rate of about 1.5 inc   keep us steady and