NASA – Hubble Space Telescope patch.
Nov. 13, 2018
This captivating image from the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 shows a lonely dwarf galaxy 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, 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 center 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.
For more information about Hubble, visit:
http://hubblesite.org/
http://www.nasa.gov/hubble
http://www.spacetelescope.org/
Image, Animation, Text, Credits: ESA/Hubble & NASA/Text credit: European Space Agency (ESA)/NASA/Karl Hille.
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