... Figure 1 (683 Kbytes) shows an image, taken in the Blue Band, of the Pegasus cluster of galaxies. ... Kbytes) shows a blue band image of the Hercules cluster of galaxies obtained using a 2048x2048 Textronix CCD detector on the ...
... The Hercules Cluster of Galaxies or Abell 2151 is a rather distant (by UIT imaging standards), spiral rich cluster with lots of interacting galaxies. ...
... 2) On smaller scales, such as galaxies and clusters of galaxies, dynamical estimates of the mass, based on either rotation curves of galaxies or velocity dispersions of galaxies indicate that 90% (not 99% which is another order of magnitude) of the total ...
... The velocity distribution of galaxies should then be thermal and provide a good measure of the depth of the cluster potential. ... Most clusters of galaxies are not yet fully virialized and exhibit some degree of substructure.. ...
... M89 a relatively obscure elliptical galaxy in the Virgo cluster was observed for 992 ... NGC 1365 is a prominent spiral galaxy in the Fornax Cluster. ... M92 is thought to be the most metal poor luminous globular cluster in our Galaxy. ...
... M92 is a very metal poor globular cluster in our galaxy where there are many hot stars in advanced stages of stellar evolution. ... M67 (picture not available) is an old open cluster in our galaxy. ...