Cosmology
- Physics
Universe is a teeny bit older than thought
Planck satellite reveals information from just after the Big Bang, largely confirming scientists' theories.
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- Cosmology
Inflation on Trial
Generally regarded as one of the most successful theories about the early universe, inflationary cosmology is not exactly under attack. But a few scientists are questioning whether it deserves its reputation as completely untouchable.
- Astronomy
New data support Einstein on accelerating universe
New measurements of distant galaxies support Einstein’s cosmological constant as the explanation for the universe’s accelerating expansion.
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