Spiral Galaxy Ngc 6814
by Science Source
Title
Spiral Galaxy Ngc 6814
Artist
Science Source
Medium
Photograph - Photograph
Description
A luminous nucleus and sweeping arms rippled with an intricate pattern of dark dust are captured in this Hubble Space Telescope image of spiral galaxy NGC 6814. NGC 6814 has an extremely bright nucleus, a telltale sign that the galaxy is a Seyfert galaxy. These galaxies have very active centers that can emit strong bursts of radiation. The luminous heart of NGC 6814 is a highly variable source of X-ray radiation, causing scientists to suspect that it hosts a supermassive black hole with a mass about 18 million times that of the Sun. As NGC 6814 is a very active galaxy, many regions of ionized gas are studded along its spiral arms. In these large clouds of gas, a burst of star formation has recently taken place, forging the brilliant blue stars that are visible scattered throughout the galaxy.
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March 27th, 2017
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