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File:Feeling blue ESO 338-4.jpg

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Description
English: This captivating image from the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 shows a lonely dwarf galaxy, a staggering 100 million light-years away from Earth. This image depicts the blue compact dwarf galaxy ESO 338-4, which can be found in the constellation of Corona Australis (the Southern Crown).

Blue compact dwarf galaxies take their name from the intensely blue star-forming regions that are often found within their cores. One such region can be seen embedded in ESO 338-4, which is populated with bright young stars voraciously consuming hydrogen. These massive stars are doomed to a short existence, as despite their vast supplies of hydrogen fuel. The nuclear reactions in the cores of these stars will burn through these supplies in only millions of years — a mere blink of an eye in astronomical terms.

The young blue stars nestled within a cloud of dust and gas in the centre of this image are the result of a recent galaxy merger between a wandering galaxy and ESO 388-4. This galactic interaction disrupted the clouds of gas and dust surrounding ESO 338-4 and led to the rapid formation of a new population of stars.
Date
Source https://www.spacetelescope.org/images/potw1845a/
Author ESA/Hubble & NASA

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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: ESA/Hubble
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Date/TimeThumbnailDimensionsUserComment
current09:43, 5 November 2018Thumbnail for version as of 09:43, 5 November 20182,273 × 2,449 (1.27 MB)JmencisomUser created page with UploadWizard

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