2015年考研英语翻译练习（text 9）

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    2015年考研英语翻译练习（text 9）
    They were by far，the largest and most distant objects that scientists had
ever detected:a strip of enormous cosmic clouds some 15 billion lightyears from
earth.
    (71)But even more important，it was the farthest that scientists had been
able to look into the past，for what they were seeing were the patterns and
structures that existed 15 billion yeays ago.That was just about the moment that
the universe was born.What the researchers found was at once both amazing and
expected:the US National Aeronautics and Space Administrations Cosmic Background
Explorer satellite—Cobe—had discovered landmark evidence that the universe did
in fact begin with the primeval explosion that has become known as the Big
Bang(the theory that the universe originated in an explosion from a single mass
of energy).
    (72)The existence of the giant clouds was virtually required for the Big
Bang，first put forward in the 1920s，to maintain its reign as the dominant
explanation of the cosmos.According to the theory，the universe burst into being
as a submicroscopic，unimaginably dense knot of pure energy that flew outward in
all directions，emitting radiation as it went，condensing into particles and then
into atoms of gas.Over billions of years，the gas was compressed by gravity into
galaxies，stars，plants and eventually，even humans.
    Cobe is designed to see just the biggest structures，but astronomers would
like to see much smaller hot spots as well，the seeds of local objects like
clusters and superclusters of galaxies.They shouldnt have long to
wait.(73)Astrophysicists working with groundbased detectors at the South Pole
and balloonborne instruments are closing in on such structures，and may report
their findings soon.
    (74)If the small hot spots look as expected，that will be a triumph for yet
another scientific idea，a refinement of the Big Bang called the inflationary
universe theory.Inflation says that very early on，the universe expanded in size
by more than a trillion trillion trillion trillionfold in much less than a
second，propelled by a sort of antigravity.(75)Odd though it sounds，cosmic
inflation is a scientifically plausible consequence of some respected ideas in
elementaryparticle physics，and many astrophysicists have been convinced for the
better part of a decade that it is true.