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Science11:24

New evidence AGAINST dark matter?!

Dr. Becky ↗

From the creator

A research study was recently published with evidence in favour of an alternate theory of gravity that doesn't need dark matter. Let's take a look shall we?! To learn more about dark matter go to http://brilliant.org/DrBecky and sign up for free. The first 200 people that go to that link will get 20% off the annual premium subscription. All animations by Megan Smethurst Graphic Design: https://megansmethurstdesign.wixsite.com/website Read the research study here: Chae et al. (2020) - https://iopscience.iop.org/article/10.3847/1538-4357/abbb96 Check out my previous video on all the evidence we have for dark matter from the past century: https://youtu.be/nbE8B7zggUg And this one where I look at the other possible alternate theories of gravity: https://youtu.be/dtfEzDAlL5k 00:00 - Introduction 01:34 - MOND recap 02:02 - Rotation curves of galaxies 03:49 - Problems with MOND 05:17 - The Equivalence Principle 06:48 - The External Field Effect (EFE) 07:11 - Evidence for EFE 08:20 - What does this mean for dark matter? 10:54 - Bloopers! --- 👕 Check out my merch here: https://dr-becky.teemill.com/ --- 📚 "Space: 10 Things You Should Know": http://bit.ly/SpaceDrBecky 📚 US & Canada version: "Space at the speed of light" (same book, different title, with some beautiful illustrations): https://www.penguinrandomhouse.com/books/635406/space-at-the-speed-of-light-by-dr-becky-smethurst/ 📚 German translation "Das kleine Buch vom großen Knall" : https://www.dtv.de/buch/becky-smethur

Published 2021-01-28 · Watch on YouTube ↗
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