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DASI 2nd season results → CMB Polarization Map of a section of the esky showing red and yellow blobs. On top of this is a grid of small lines indicating the polarization direction. Plot showing the DASI data. It forms a bell curve, which overlaps with the theory prediction. • Worked great. Further supported the ACDM cosmological model. • But to go forward we needed much more throughput ... Cover of Nature featuring an image of DASI - Pattern in the cosmos.

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DASI 2nd season results → CMB Polarization Map of a section of the esky showing red and yellow blobs. On top of this is a grid of small lines indicating the polarization direction. Plot showing the DASI data. It forms a bell curve, which overlaps with the theory prediction. • Worked great. Further supported the ACDM cosmological model. • But to go forward we needed much more throughput ... Cover of Nature featuring an image of DASI - Pattern in the cosmos.
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Kelly Lepo (kellylepo@astrodon.social)'s status on Tuesday, 21-Jan-2025 01:35:04 JST Kelly Lepo
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Degree Angular Scale Interferometer at the South Pole made observations of the CMB power spectrum in 1999-2000, a measurement of the size of the fluctuations in the cosmic microwave background in the sky.
These results agreed with the Lambda CDM model of the universe and required the presence of dark matter. The next season they returned and got polarization measurements.

In conversation about 18 days ago from astrodon.social permalink