What if we had two moons? Or if the earth were less dense, or if our solar system were younger? Comins analyzes how differences would affect the plant, animal, and human life on our planet. A fascinating examination of the earth's place in the solar system--and just how fragile that place is.
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What if we had two moons? Or if the earth were less dense, or if our solar system were younger? Comins analyzes how differences would affect the plant, animal, and human life on our planet. A fascinating examination of the earth's place in the solar system--and just how fragile that place is.
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Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $2.74, good condition, Sold by Orion Tech rated 5.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 1993 by Harpercollins.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $4.79, very good condition, Sold by Half Price Books Inc rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1993 by Harpercollins.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
