A comparison between the Doppler and cosmological redshifts
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.
- Publication:
-
American Journal of Physics
- Pub Date:
- April 2002
- DOI:
- Bibcode:
- 2002AmJPh..70..406B
- Keywords:
-
- 01.50.-i;
- 98.62.Py;
- 03.30.+p;
- Educational aids;
- Distances redshifts radial velocities;
- spatial distribution of galaxies;
- Special relativity