NASA/ESA Hubble

A blue and gold squid-shaped galaxy glitters with other galaxies in this image from the NASA/ESA Hubble Space Telescope.

potw1347aStarryCritters is all about seeing patterns in the stars. ESO 149-3 is an irregular galaxy that appears to be shaped like a squid with a dim smattering of stars hanging below. Irregular galaxies lack the shape and structure of more well known spiral and elliptical galaxies. They also tend to be much smaller. Nearly one-quarter of all galaxies are irregular galaxies. The Small and Large Magellanic Clouds, companions to our Milky Way Galaxy, are irregular galaxies. Blue stars in ESO 149-3 are hot young stars probably born as the galaxy interacted with another. Gold stars are older stars like our Sun.

ESO 149-3 is found fairly nearby at about 20 million light-years from Earth toward the southern constellation Phoenix. Zoom deep into the image and spy more distant galaxies of all shapes scattered throughout the image.

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