If his distances were too small by a factor of 7, what answer should he have obtained?
2007-10-25 12:07:56 · 3 answers · asked by nowshernitu 2 in Science & Mathematics ➔ Astronomy & Space
The results of the Hubble constant are predicated on the assumption that the galaxies are in an accelerated state of recession.
If a galaxy is an end stage in the evolution of the universe and was in a state of accelerated collapse the interpretation would be exactly the same.
If the galaxy could be observed from the other side it would appear to be receding at an accelerated rate.
2007-10-26 04:47:33 · answer #1 · answered by Billy Butthead 7 · 0⤊ 0⤋
Hi. Depends, obviously, on which factor. The current value from the web "The rate at which the velocity of recession of the galaxies increases with distance; the value is about 70 kilometers per second per megaparsec (or 2.3 à 10-18 s-1) with a relative uncertainty of about ± 10%.". He would have calculated 75 instead of 530. Pretty close, no?
2007-10-25 20:06:51 · answer #2 · answered by Cirric 7 · 0⤊ 0⤋
Ah, the inconstant Hubble Constant. Gotta love it.
2007-10-25 20:13:26 · answer #3 · answered by Anonymous · 0⤊ 0⤋