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#1674 : Découverte de 6 galaxies spirales apparemment sans matière noire

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Content provided by Eric Simon. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Eric Simon or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.

Un duo de chercheurs taïwanais vient de découvrir plusieurs grosses galaxies spirales qui apparaissent totalement dépourvues de matière noire, à partir de la mesure de leur rotation, qui se révèle bien trop faible. La matière noire ne serait donc pas uniformément présente dans les galaxies… Ils publient leur étude dans Scientific Reports.

Source

Six spiral galaxies lacking dark matter
Cheng-Yu Chen & Chorng-Yuan Hwang
Scientific Reports volume 14 (27 july 2024)
https://doi.org/10.1038/s41598-024-68144-w

Illustrations

  1. Les 6 galaxies spirales dépourvues de matière noire (Cheng-Yu Chen & Chorng-Yuan Hwang)

  2. Les 6 courbes de rotation (vitesse en fonction du rayon) et distribution de la masse en fonction du rayon (Cheng-Yu Chen & Chorng-Yuan Hwang)

  continue reading

1716 episodes

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Fetch error

Hmmm there seems to be a problem fetching this series right now. Last successful fetch was on November 09, 2024 14:48 (4d ago)

What now? This series will be checked again in the next day. If you believe it should be working, please verify the publisher's feed link below is valid and includes actual episode links. You can contact support to request the feed be immediately fetched.

Manage episode 431304474 series 1296652
Content provided by Eric Simon. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Eric Simon or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.

Un duo de chercheurs taïwanais vient de découvrir plusieurs grosses galaxies spirales qui apparaissent totalement dépourvues de matière noire, à partir de la mesure de leur rotation, qui se révèle bien trop faible. La matière noire ne serait donc pas uniformément présente dans les galaxies… Ils publient leur étude dans Scientific Reports.

Source

Six spiral galaxies lacking dark matter
Cheng-Yu Chen & Chorng-Yuan Hwang
Scientific Reports volume 14 (27 july 2024)
https://doi.org/10.1038/s41598-024-68144-w

Illustrations

  1. Les 6 galaxies spirales dépourvues de matière noire (Cheng-Yu Chen & Chorng-Yuan Hwang)

  2. Les 6 courbes de rotation (vitesse en fonction du rayon) et distribution de la masse en fonction du rayon (Cheng-Yu Chen & Chorng-Yuan Hwang)

  continue reading

1716 episodes

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