Who ordered dark matter? The necessity of dark matter

Research output: Contribution to journalArticle

Abstract

Dark matter is a component of matter in the Universe, whose existence is apparent only via gravitational interactions, not via electromagnetic interactions. The amount of dark matter in the energy budget of the Universe is about five times larger than that of the baryonic component in the standard model, but its origin is still not understood. So in this article, we discuss various astrophysical phenomena, virial motion of stars, the flat rotation curve of galaxies, weak gravitational lensing and cosmic microwave background radiation, which clearly show the effects of dark matter and provide theoretical opportunities to explain it.

Original languageEnglish
Pages (from-to)942-945
Number of pages4
JournalNew Physics: Sae Mulli
Volume66
Issue number8
DOIs
Publication statusPublished - 2016 Aug 1

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dark matter
universe
cosmic microwave background radiation
energy budgets
electromagnetic interactions
astrophysics
galaxies
stars
curves
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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Who ordered dark matter? The necessity of dark matter. / Park, Seong Chan.

In: New Physics: Sae Mulli, Vol. 66, No. 8, 01.08.2016, p. 942-945.

Research output: Contribution to journalArticle

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