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Giant Comet Found in Outer Solar System by Dark Energy Survey


Giant Comet Found in Outer Solar System by Dark Energy Survey
Estimated to be 100–200 kilometers across, the unusual wandering body will make its closest approach to the Sun in 2031
Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA/P. Bernardinelli Array G. Bernstein (UPenn)/DESI Legacy Imaging Surveys. Music by Zero-project :Through the Looking Glass (zero-project.gr) Acknowledgments: T.A. Rector, M. Zamani & J. Miller
Zooming on Comet Bernardinelli-Bernstein. This zoom shows an image from the Dark Energy Survey (DES) composed of some of the discovery exposures showing Comet Bernardinelli-Bernstein collected by the 570-megapixel Dark Energy Camera (DECam) mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory (CTIO) in Chile. ....

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Dark energy survey releases most precise look at the universe's evolution

In 29 new scientific papers, the Dark Energy Survey examines the largest-ever maps of galaxy distribution and shapes, extending more than 7 billion light-years across the Universe. The extraordinarily precise analysis, which includes data from the survey s first three years, contributes to the most powerful test of the current best model of the Universe, the standard cosmological model. However, hints remain from earlier DES data and other experiments that matter in the Universe today is a few percent less clumpy than predicted. ....

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Precision measurements of intracluster light suggest possible link to dark matter


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IMAGE: On the left is a simulated image in which intracluster light is visible as a diffuse haze between discrete peaks of brightness the galaxies. In observations, as seen in.
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Credit: Left image: Jesse Golden-Marx; simulation by The IllustrisTNG. Right image: Dark Energy Survey and Yuanyuan Zhang
A combination of observational data and sophisticated computer simulations have yielded advances in a field of astrophysics that has languished for half a century. The Dark Energy Survey, which is hosted by the U.S. Department of Energy s Fermi National Accelerator Laboratory, has published a burst of new results on what s called intracluster light, or ICL, a faint type of light found inside galaxy clusters. ....

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Precision measurements of intracluster light suggest possible link to dark matter | US Department of Energy Science News


DOE/Fermi National Accelerator Laboratory
A combination of observational data and sophisticated computer simulations have yielded advances in a field of astrophysics that has languished for half a century. The Dark Energy Survey, which is hosted by the U.S. Department of Energy s Fermi National Accelerator Laboratory, has published a burst of new results on what s called intracluster light, or ICL, a faint type of light found inside galaxy clusters.
The first burst of new, precision ICL measurements appeared in a paper published in The Astrophysical Journal in April 2019. Another appeared more recently in
Monthly Notices of the Royal Astronomical Society. In a surprise finding of the latter, DES physicists discovered new evidence that ICL might provide a new way to measure a mysterious substance called dark matter. ....

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