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We know for sure that dark matter exists. The question remains: What is it made of? Is it rogue planets? Black holes? Neutron stars? A bunch of tiny particles like neutrinos? Let's look at the likelihood of each.

00:00 Cold Open
00:36 What does she already know?
01:04 Modified Gravity
02:15 Massive and Compact Halo Objects
03:34 Properties of Dark Matter
06:41 Weakly Interacting Massive Particles
09:35 Neutrinos
11:46 Cold Dark Matter
13:03 Sterile Neutrinos
15:12 Summary
15:52 Sponsor Message
16:53 Outro
17:08 Featured Comment

Nick Lucid - Host/Writer/Editor/Animator
Eric Aspling - Researcher
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VIDEO ANNOTATIONS/CARDS

Dark Matter Exists:
https://youtu.be/AAhWLN2qHGs

Earth in your Hand:
https://youtu.be/jffQVdJdoKQ
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RELATED YOUTUBE VIDEOS

PBS Space Time on Neutrinos:
https://youtu.be/0mXW1zPlxEE
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OTHER SOURCES

https://arxiv.org/abs/1603.03797
https://arxiv.org/abs/1303.1521
https://arxiv.org/abs/1512.05353
https://arxiv.org/abs/1902.06511
https://arxiv.org/abs/1502.01884
https://arxiv.org/abs/1710.11129
https://ned.ipac.caltech.edu/level5/Sept16/Bertone/Bertone5.html
https://ned.ipac.caltech.edu/level5/Sept16/Bertone/Bertone6.html
https://ned.ipac.caltech.edu/level5/Sept16/Bertone/Bertone7.html
https://astronomy.swin.edu.au/cosmos/H/Halo
https://iopscience.iop.org/article/10.3847/1538-4357/aaee77/meta
https://www.forbes.com/sites/startswithabang/2018/03/24/ask-ethan-if-dark-matter-is-everywhere-why-havent-we-detected-it-in-our-solar-system/
https://medium.com/starts-with-a-bang/ask-ethan-do-neutrinos-always-travel-at-nearly-the-speed-of-light-25c655284f1e
https://www.preposterousuniverse.com/blog/2006/08/21/dark-matter-exists/
https://slate.com/technology/2014/02/what-is-dark-matter-searching-with-gravity-lensing-wimps-and-antiparticles.html
https://www.nobelprize.org/prizes/themes/high-energy-neutrinos-from-the-cosmos/
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LINKS TO COMMENTS

https://www.youtube.com/watch?v=jffQVdJdoKQ&lc=UgxaIyYRbJEU9wHE_fR4AaABAg
https://www.youtube.com/watch?v=jffQVdJdoKQ&lc=Ugz4ajiJzn_NvxhJPWl4AaABAg
https://www.youtube.com/watch?v=jffQVdJdoKQ&lc=UgyX6bOkyMOYFhLysz94AaABAg
https://www.youtube.com/watch?v=jffQVdJdoKQ&lc=UgyQPBgbVSyi1blScdV4AaABAg
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IMAGE CREDITS

Globular Cluster:
https://images.nasa.gov/details-GSFC_20171208_Archive_e000191

ProtoDUNE:
https://cds.cern.ch/record/2288139

List of Baryons:
https://en.wikipedia.org/wiki/List_of_baryons