R razzle New member Dec 1, 2009 #1 Assuming Hubble's law with = 70 , what would be the angular diameter of an E0 galaxy of actual diameter 90 if its 656.3- line is observed at 700 ? answer in arcseconds, ugh so confused!!
Assuming Hubble's law with = 70 , what would be the angular diameter of an E0 galaxy of actual diameter 90 if its 656.3- line is observed at 700 ? answer in arcseconds, ugh so confused!!
