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DCA21WA207

2021-08-14 · Guam, Pacific Ocean, United States · Unknown · 1 aircraft · Status: N/A

Aircraft involved

B-16227 Airbus 321 Unknown

Probable cause & factual narrative

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Related research

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arXiv 2014 · arXiv preprint Spiral Galaxies - classical description of spiral arms and rotational velocity pattern - toy model

We propose an explanation of features of spiral galaxies: spiral arms and observed flat rotation curves, without the presence of an exotic form of matter.