Astronomers searching for habitable worlds might do best to look for rocky planets several times larger than Earth. That’s because, according to a new study, our planet is at the lower end of the size range needed for plate tectonics—which scientists believe are vital for stabilizing temperatures enough for life.…more
On the origin of the Earth’s moon and how our…To curious aliens, Earth would stand out as living planetCould An ExtraTerrestrial Find Earth with a Telescope?What ET might see looking at usThere is Nothing Like a Good ConspiracyEarth Barely Big Enough for Life, Study Says
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March 13th, 2008 at 12:01 pm
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