... August 15, 1998 . The Perseus Cluster of Galaxies . ... Each of the fuzzy blobs in the above picture is a galaxy, together making up the Perseus Cluster, one of the closest clusters of galaxies . We view the cluster through the foreground of faint stars in our own Milky Way Galaxy . ... The Perseus Cluster of Galaxies is part of the Pisces-Perseus supercluster of galaxies , which spans over 15 degrees and contains over 1000 galaxies. ... About APOD > . ... NASA Technical Rep.: ...

... A Galactic Collision in Cluster Abell 1185 . ... What is a guitar doing in a cluster of galaxies? ... Clusters of galaxies are sometimes packed so tight that the galaxies that compose them collide. ... The Missing Craters of Asteroid Itokawa . ... Where are the craters on asteroid Itokawa? ... Rays from an Unexpected Aurora . ... Young Stars of NGC 346 . ... Star cluster NGC 346 is embedded in the largest star forming region in the Small Magellanic Cloud, some 210,000 light-years distant. ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... 2000 January 4 . Galaxies Cluster Toward the Great Attractor . ... The galaxies pictured above are part of a cluster of galaxies called ACO 3627 near the center of the Great Attractor . ... The Great Attractor is a diffuse mass concentration fully 250 million light-years away, but so large it pulls our own Milky Way Galaxy and millions of others galaxies towards it. Many of the galaxies in ACO 3627 are slowly heading towards collisions with each other. ... About APOD > . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Community . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... galaxy clusters . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

CSIRO Ref 98/194 . Astronomers using CSIRO 's Parkes radio telescope have made a picture that shows our Galaxy ripping apart its nearest neighbours. ... The two nearest neighbouring galaxies, the Large and Small Magellanic Clouds (left), are less than a tenth of our Galaxy in size. ... One was a process called ram-pressure stripping - gas being swept out of the Magellanic Clouds as the Clouds travelled through our Galaxy's outskirts." ... Email: hsim@atnf.csiro.au . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Images . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... ESO Science Newsletter . ... Catch a Star 2013 . ... The pie-chart shows the starтАЩs composition: it is almost entirely made from hydrogen and helium with only a tiny trace of heavier elements. ...