esahubble_potw1619a May 9th, 2016
Credit: ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla)
Spiral galaxies together with irregular galaxies make up approximately 60% of the galaxies in the local Universe. However, despite their prevalence, each spiral galaxy is unique like snowflakes, no two are alike. This is demonstrated by the striking face-on spiral galaxy NGC 6814, whose luminous nucleus and spectacular sweeping arms, rippled with an intricate pattern of dark dust, are captured in this NASA/ESA Hubble Space Telescope image. NGC 6814 has an extremely bright nucleus, a telltale sign that the galaxy is a Seyfert galaxy. These galaxies have very active centres 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 ionised 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.
Provider: Hubble Space Telescope | ESA
Image Source: http://www.spacetelescope.org/images/potw1619a/
Curator: ESA/Hubble, Garching bei München, Germany
Image Use Policy: Creative Commons Attribution 4.0 International License
Detailed color mapping information coming soon...
Providers | Sign In