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posted by martyb on Tuesday November 05 2019, @03:14PM   Printer-friendly
from the go-east-to-get-west dept.

When researchers reanalysed the gold-standard data set of the early universe, they concluded that the cosmos must be "closed," or curled up like a ball. Most others remain unconvinced.

A provocative paper published today in the journal Nature Astronomy argues that the universe may curve around and close in on itself like a sphere, rather than lying flat like a sheet of paper as the standard theory of cosmology predicts. The authors reanalysed a major cosmological data set and concluded that the data favours a closed universe with 99% certainty — even as other evidence suggests the universe is flat.

The data in question — the Planck space telescope's observations of ancient light called the cosmic microwave background (CMB) — "clearly points towards a closed model," said Alessandro Melchiorri of Sapienza University of Rome. He co-authored the new paper with Eleonora di Valentino of the University of Manchester and Joseph Silk, principally of the University of Oxford. In their view, the discordance between the CMB data, which suggests the universe is closed, and other data pointing to flatness represents a "cosmological crisis" that calls for "drastic rethinking."

What Shape Is the Universe?

In your opinion, which shape is more likely ?


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  • (Score: 2) by maxwell demon on Tuesday November 05 2019, @07:45PM (2 children)

    by maxwell demon (1608) on Tuesday November 05 2019, @07:45PM (#916480) Journal

    Plasma is a damn good absorber. That's the point.

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    The Tao of math: The numbers you can count are not the real numbers.
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  • (Score: 2) by maxwell demon on Tuesday November 05 2019, @07:47PM

    by maxwell demon (1608) on Tuesday November 05 2019, @07:47PM (#916481) Journal

    Oops, ignore that post; I somehow thought you had answered another post of mine.

    --
    The Tao of math: The numbers you can count are not the real numbers.
  • (Score: 2) by DannyB on Tuesday November 05 2019, @09:18PM

    by DannyB (5839) Subscriber Badge on Tuesday November 05 2019, @09:18PM (#916536) Journal

    Plasma is a lot hotter than modern LCD sets, which are also much cheaper.

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    People today are educated enough to repeat what they are taught but not to question what they are taught.