This may be exactly what they are. NGC 3597 is the product of a collision between two galaxies, and is slowly evolving to become a giant elliptical galaxy. Elliptical galaxies: They are one of the three main types of galaxy originally described by Edwin Hubble in 1936.
So that's the introduction out of the way, now on with the Universe! Related Links: There are four galaxies that can be seen from Earth with the naked eye: The image shows elliptical galaxy NGC 4696 in the Centaurus Galaxy Cluster, notable for the 30 000 light year long streak of dust running across it. Most elliptical galaxies are composed of older, low-mass stars , with a sparse interstellar medium and minimal star formation activity.
All content from Kiddle encyclopedia articles including the article images and facts can be freely used under Attribution-ShareAlike license, unless stated otherwise. The others were spiral and lenticular galaxies.
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The brilliant central object is a supergiant elliptical galaxy, the dominant member of a galaxy cluster with the name MACSJ1423.
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Cite this article:. Enter the Archives! Their stars are mainly old reddish stars, rather than the young blue-white star which blaze in the arms of spiral galaxies. Next Post Next Irregular Galaxy. Leave a Reply Cancel reply Your email address will not be published.
February 1996. Theories suggest that this processed can rip the arms clean off spiral galaxies, leaving behind a disrupted core which we see as an elliptical galaxy.
They also have large populations of globular star clusters. Most elliptical galaxies are composed of older, low-mass stars , with a sparse interstellar medium and minimal star formation activity. Originally, Edwin Hubble thought that elliptical galaxies may evolve into spiral galaxies , but this turned out to be false.