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Stardust - Supernovae and Life -- The Cosmic Connection (Paperback)
Loot Price: R1,065
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Stardust - Supernovae and Life -- The Cosmic Connection (Paperback)
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We are made of stardust-and so is all life as we know it. All the
chemical elements on earth except hydrogen-including the ones in
our bodies-have been processed inside stars, scattered across the
universe in great stellar explosions, and recycled to become new
stars, planets, and parts of us. In this engrossing book, John and
Mary Gribbin relate the developments in twentieth-century astronomy
that have led to this shattering realization. They begin their
account in the 1920s, when astronomers discovered that the oldest
stars are chiefly composed of the primordial elements hydrogen and
helium, produced in the birth of the universe in a Big Bang. They
then describe the seminal work of the 1950s and 1960s, which
unlocked the secret of how elements are "cooked" by nuclear fusion
inside stars. The heart of the story is their discussion of
supernovae, only recently understood as great stellar explosions in
which the resulting ash is spread far and wide through the cosmos,
forming new generations of stars, planets, and people. Focusing on
the relationship between the universe and the Earth, the authors
eloquently explain how the physical structure of the universe has
produced conditions ideal for life.
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