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How To See the Invisible: Measuring Dark Matter With Hyper Suprime-Cam Reveals Discrepancy

Using the Hyper Suprime-Cam (HSC), a team led by Princeton University has studied the distribution of dark matter and found a discrepancy between the 'clumpiness' (S8 value) of dark matter in the present universe versus the early universe. This discrepancy could point to an unrecognized error or hin

United statesNordrhein westfalenRoohi dalalSunao sugiyamaMarkus michael rauHironao miyatakeRoberth luptonRyuichi takahashiTakanori taniguchiKen osatoYutaka komiyamaTomomi sunayamaPhilipj taitVerac rubinMarkusm rauHitoshi murayama

How To See The Invisible: Using The Dark Matter Distribution To Test Our Cosmological Model

How To See The Invisible: Using The Dark Matter Distribution To Test Our Cosmological Model
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Nordrhein westfalenUnited statesArun kannawadiSunao sugiyamaRachel mandelbaumAlexandra amonRoohi dalalXiangchong liHironao miyatakeAndrina nicolaMichael straussVerac rubinSenior kavli fellow at cambridge universityUniversity of bonnPrinceton department of astrophysical sciencesNagoya university

How to see the invisible: Using the dark matter distribution to test our cosmological model

How to see the invisible: Using the dark matter distribution to test our cosmological model
sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.

Nordrhein westfalenUnited statesHironao miyatakeRachel mandelbaumAlexandra amonMichael straussAndrina nicolaVerac rubinSunao sugiyamaXiangchong liArun kannawadiRoohi dalalCarnegie mellon universityPrinceton department of astrophysical sciencesPrinceton universityUniversity of tokyo

How to see the invisible: Using the dark matt

Astrophysicists led by Princeton University and the astronomical communities of Japan and Taiwan have measured a value for the “clumpiness” of the universe’s dark matter (known to cosmologists as “S8”) of 0.776, which does not align with the value derived from the Cosmic Microwave Background, which dates back to the universe’s origins. This has intriguing implications for the standard cosmological model.

United statesNordrhein westfalenVerac rubinXiangchong liMichael straussHironao miyatakeRoohi dalalRachel mandelbaumSunao sugiyamaAlexandra amonAndrina nicolaArun kannawadiPrinceton universitySenior kavli fellow at cambridge universityUniversity centre for astronomyTrinity college

A natural telescope zooms in on a normal galaxy of the early cosmos

Archyde April 22, 2021 by archyde MADRID, Apr 22. (EUROPA PRESS) – Observations with the ALMA telescope have revealed a young spinning galaxy one hundredth the size of the Milky Way in a time when the Universe was only 7% of its current age. Taking advantage of the effect of a gravitational lens, astronomers were able to study for the first time the nature of small, dark “normal galaxies” in the early Universe, representative of the main type of galaxy existing at the beginning. These observations help to greatly improve our understanding of the early stage of galactic evolution. “Many of the galaxies in the early Universe were so small that their brightness is much lower than the minimum brightness captured by the largest telescopes currently existing on Earth and in space, which is why it is so difficult to study their properties and internal structure” , Explain

Milky wayMagallanesy antáica chilenaUnited kingdomNicolas laporteSeiji fujimotoKotaro kohnoJames webbUniversity of cambridgeEuropa pressUniversity of tokyoNiels bohr instituteLensing cluster surveySenior kavli fellowCluster surveyChilean atacamaAtacama large millimeter