Lenticular Galaxy Ngc 524
by Science Source
Title
Lenticular Galaxy Ngc 524
Artist
Science Source
Medium
Photograph - Photograph
Description
Galaxy NGC 524, viewed by the NASA/ESA Hubble Space Telescope, is located in the constellation of Pisces, some 90 million light-years from Earth. NGC 524 is a lenticular galaxy. Lenticular galaxies are believed to be an intermediate state in galactic evolution - they are neither elliptical nor spiral. Spirals are middle-aged galaxies with vast, pinwheeling arms that contain millions of stars. Along with these stars are clouds of gas and dust that, when dense enough, are the nurseries where new stars are born. When all the gas is either depleted or lost into space, the arms gradually fade away and the spiral shape begins to weaken. At the end of this process, what remains is a lenticular galaxy.
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March 27th, 2017
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