期刊
GALAXIES
卷 8, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/galaxies8020042
关键词
dark matter; Earth; Milky Way; gravitational focusing
We show that the Earth acts as a high-efficiency gravitational collector of low-velocity flow of dark matter (DM). The focal point appears on the Earth's surface, when the DM flow speed is about 17 km/s with respect to the geo-center. We discuss diurnal modulation of the local DM density influenced by the Earth's gravity. We also touch upon similar effects on galactic and solar system objects.
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