Another space creature found by Hubble.
This “caterpillar” is a star forming region that is being blasted by harsh winds from nearby extremely bright stars.
These nearby stars are 65 of the hottest, brightest known stars, called the Cygnus OB2 association, are located only 15 light-years away from the caterpillar.
The caterpillar, called IRAS 20324+4057, is a protostar still collecting material from the gas cloud in the surrounding area. However, due to the stellar wind, the stars final size may be smaller that it could have been if the gas could had not been pushed away.
This image of IRAS 20324+4057 is a composite of Hubble Advanced Camera for Surveys data taken in green and infrared light in 2006, and ground-based hydrogen data from the Isaac Newton Telescope in 2003, as part of the INT Photometric H-alpha Survey (IPHAS). The object lies 4,500 light-years away in the constellation Cygnus.
– Ex astris, scientia –
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