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A comparison between the Doppler and cosmological redshifts
- Source :
- American Journal of Physics. 70:406-408
- Publication Year :
- 2002
- Publisher :
- American Association of Physics Teachers (AAPT), 2002.
-
Abstract
- We compare the Doppler effect of special relativity with the cosmological redshift of general relativity in order to clarify the difference between them. Some basic concepts of observational cosmology, such as the definitions of distance and cosmological parameters, are also presented.
- Subjects :
- Physics
Redshift-space distortions
General Relativity and Quantum Cosmology
Theory of relativity
General relativity
Observational cosmology
General Physics and Astronomy
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
Relativistic Doppler effect
Special relativity (alternative formulations)
Redshift
Metric expansion of space
Subjects
Details
- ISSN :
- 19432909 and 00029505
- Volume :
- 70
- Database :
- OpenAIRE
- Journal :
- American Journal of Physics
- Accession number :
- edsair.doi...........4384e7a6213a5c71f9580e43b446aa27