P*****s 发帖数: 375 | 1 Flat and happy. Cosmologists can hardly believe how their luck has changed.
New observations often send theorists scurrying back to their equations, but
this year, measurements of one of the cosmos's most basic numbers gave the
answer theorists had hoped for: The universe appears to contain just the
amount of matter and energy that the most elegant picture of its origins
requires.
This theory, called inflation, holds that a burst of expansion in the first
instant of time stretched space almost p |
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