“If you take a galaxy and try to make it bigger, it becomes a cluster of galaxies, not a galaxy. If you try to make it smaller than that, it seems to blow itself apart.” IfsTryingSeemsBiggerBlowGalaxyClusters Author:Jeremiah P. Ostriker
“There are reasons, increasing in number and quality, to believe that the masses of ordinary galaxies may have been underestimated by a factor of 10 or more.” BelieveMayHas BeensReasonNumbersQualityMassOrdinaryAstronomyFactorsGalaxyCosmologyUnderestimated Author:Jeremiah P. Ostriker
