Particle chauvinism is the term used by British astrophysicist Martin Rees to describe the (allegedly erroneous) assumption that what we think of as normal matter – atoms, quarks, electrons, etc. (excluding dark matter or other matter) – is the basis of matter in the universe, rather than a rare phenomenon.[1]
Dominance of dark matter
With the growing recognition in the late 20th century of the presence of dark matter in the universe, ordinary baryonic matter has come to be seen as something of a cosmic afterthought.[2] As J.D. Barrow put it:
- "This would be the final Copernican twist in our status in the material universe. Not only are we not at the center of the universe: We are not even made of the predominant form of matter."[3]
The 21st century saw the share of baryonic matter in the total mass-energy of the universe downgraded further, to perhaps as low as 1%,[4] further extending what has been called the demise of particle-chauvinism,[5] before being revised up to some 5% of the contents of the universe.[6]
See also
References
- ^
Rees, M. (2000). Just Six Numbers. London, UK. p. 83.
{{cite book}}: CS1 maint: location missing publisher (link) - ^ Fabian, A.C. (1988). Origins. p. 19.
- ^
Barrow, J.D. (1994). The Origin of the Universe. London, UK. p. 74.
{{cite book}}: CS1 maint: location missing publisher (link) - ^ Gasperini, M. (2008). The Universe Before the Big Bang. Springer. p. 159.
- ^ Coles, P., ed. (2004). The Routledge Companion to the New Cosmology. p. 28.
- ^
Clark, S. (2016). The Unknown Universe. London, UK. p. 13.
{{cite book}}: CS1 maint: location missing publisher (link)
External links
- Rees, M. (3 February 2014). "Why does dark matter matter?". bigquestionsonline.com. Archived from the original on 7 October 2018. Retrieved 10 February 2024.
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This page was last edited on 12 February 2024, at 04:27