Timeline for Why does space expansion not expand matter?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 10 at 18:57 | comment | added | Eric Baird | Thank you. Apology accepted. | |
| Oct 10 at 12:03 | comment | added | D. Halsey | The expansion is only uniform in a universe with uniform density, which is clearly not the case here. Gravitationally bound systems do not participate in the universal expansion. | |
| Oct 10 at 0:21 | comment | added | Eric Baird | ... and we measure that redshift by comparing wavelengths with "unshifted" wavelengths. If our own atoms had been expanding in size at the same rate as everything else, our reference-wavelengths generated by those atoms would be lengthened by the same proportion as the incoming Hubble-shifted light. Please remove your -1 downvote. Thanks. | |
| Oct 10 at 0:00 | comment | added | D. Halsey | This is wrong. The expansion of the universe is clearly measurable from the redshifts of the galaxies. | |
| Oct 9 at 23:55 | history | answered | Eric Baird | CC BY-SA 4.0 |