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Books > Science & Mathematics > Astronomy, space & time > Cosmology & the universe
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When the Earth Had Two Moons - The Lost History of the Night Sky (Paperback)
Loot Price: R300
Discovery Miles 3 000
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When the Earth Had Two Moons - The Lost History of the Night Sky (Paperback)
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List price R320
Loot Price R300
Discovery Miles 3 000
You Save R20 (6%)
Supplier out of stock. If you add this item to your wish list we will let you know when it becomes available.
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An astonishing exploration of planet formation and the origins of
life by one of the world's most innovative planetary geologists. In
1959, the Soviet probe Luna 3 took the first photos of the far side
of the moon. Even in their poor resolution, the images stunned
scientists: the far side is an enormous mountainous expanse, not
the vast lava-plains seen from Earth. Subsequent missions have
confirmed this in much greater detail. How could this be, and what
might it tell us about our own place in the universe? As it turns
out, quite a lot. Fourteen billion years ago, the universe exploded
into being, creating galaxies and stars. Planets formed out of the
leftover dust and gas that coalesced into larger and larger bodies
orbiting around each star. In a sort of heavenly survival of the
fittest, planetary bodies smashed into each other until solar
systems emerged. Curiously, instead of being relatively similar in
terms of composition, the planets in our solar system, and the
comets, asteroids, satellites and rings, are bewitchingly distinct.
So, too, the halves of our moon. In When the Earth Had Two Moons,
esteemed planetary geologist Erik Asphaug takes us on an
exhilarating tour through the farthest reaches of time and our
galaxy to find out why. Beautifully written and provocatively
argued, When the Earth Had Two Moons is not only a mind-blowing
astronomical tour but a profound inquiry into the nature of life
here-and billions of miles from home.
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