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What We (Don’t) Know About Dark Matter

Scientists are still working on theories that might help explain what the vast majority of our universe is made of.
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Sources:

https://arxiv.org/abs/1408.6064v1
http://www.nature.com/nature/journal/v537/n7622_supp/full/537S194a.html
https://www.quantamagazine.org/20161129-verlinde-gravity-dark-matter/
http://www.sciencealert.com/physicists-just-debunked-one-of-the-most-promising-dark-matter-candidates
Paul J. Steinhardt, Neil Turok, The Endless Universe.
http://iopscience.iop.org/article/10.1088/1475-7516/2004/04/008
https://www.wired.com/2016/08/icecube-hasnt-found-sterile-neutrinos/
https://physics.aps.org/synopsis-for/10.1103/PhysRevLett.116.101302
https://blogs.scientificamerican.com/guest-blog/are-parallel-universes-unscientific-nonsense-insider-tips-for-criticizing-the-multiverse/
https://arxiv.org/abs/hep-ph/9710467
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.93.043535
https://arxiv.org/abs/1510.05008
http://link.springer.com/article/10.1007%2Fs10714-008-0707-4
http://adsabs.harvard.edu/abs/1970ApJ…159..379R

Images:

https://commons.wikimedia.org/wiki/File:Gravitationell-lins-4.jpg


https://commons.wikimedia.org/wiki/File:Bullet_cluster.jpg
https://commons.wikimedia.org/wiki/File:BH_LMC.png
https://commons.wikimedia.org/wiki/File:2MASSJ22282889-431026.jpg
https://commons.wikimedia.org/wiki/File:1e0657_scale.jpg
https://commons.wikimedia.org/wiki/File:FirstNeutrinoEventAnnotated.jpg
https://commons.wikimedia.org/wiki/File:%D0%9F%D0%B0%D1%80%D0%B0%D0%BD%D0%B0%D0%BB%D1%8C%D1%81%D0%BA%D0%B8%D0%B5_%D0%BD%D0%BE%D1%87%D0%B8.jpg
https://commons.wikimedia.org/wiki/File:Moving_heart_of_the_Crab_Nebula.jpg

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