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The galaxy color–magnitude diagram shows the relationship between absolute magnitude (a measure of luminosity) and mass of galaxies. A preliminary description of the three areas of this diagram was made in 2003 by Eric F. Bell et al. from the COMBO-17 survey [1] that clarified the bimodal distribution of red and blue galaxies as seen in the ...
The Spindle Galaxy (NGC 5866), a lenticular galaxy with a prominent dust lane in the constellation of Draco See also: Lenticular galaxy At the centre of the Hubble tuning fork, where the two spiral-galaxy branches and the elliptical branch join, lies an intermediate class of galaxies known as lenticulars and given the symbol S0.
Named after its discoverer, Eric Lindsay, his professor Harlow Shapley, and its nature as a ring galaxy . The ring is the result of collision with another galaxy. Little Sombrero Galaxy. Pegasus. Named after its similarity to the Sombrero Galaxy . Malin 1. Coma Berenices. Discovered and named by David Malin .
NGC 1399 is a large elliptical galaxy in the Southern constellation Fornax, the central galaxy in the Fornax Cluster. [2] The galaxy is 66 million light-years away from Earth. With a diameter of 130 000 light-years, it is one of the largest galaxies in the Fornax Cluster and slightly larger than the Milky Way .
Tuning-fork-style diagram of the Hubble sequence. Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance. There are several schemes in use by which galaxies can be classified according to their morphologies, the most famous being the Hubble sequence, devised by Edwin ...
Abell 2218. Credit: NASA / ESA. Abell 2218 is a large cluster of galaxies over 2 billion light-years away in the constellation Draco . Acting as a powerful lens, it magnifies and distorts all galaxies lying behind the cluster core into long arcs. The lensed galaxies are all stretched along the cluster's center and some of them are multiply imaged.
A Hubble Space Telescope image of the supergiant elliptical galaxy ESO 306-17. Supergiant elliptical galaxies are some of the largest galaxies known. This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46 × 10 12 kilometers).
NGC 6872, also known as the Condor Galaxy, [3] is a large barred spiral galaxy of type SB (s)b pec in the constellation Pavo. It is 212 million light-years (65 Mpc) from Earth. [3] NGC 6872 is interacting with the lenticular galaxy IC 4970, which is less than one twelfth as large. [2] [3] The galaxy has two elongated arms with a diameter based ...