NASA and the ESA said the vast central void seen above measures around 210 by 140 light-years in area, and was likely created by the stars visible at its centre.
Read more: Hubble Space Telescope captures nebula ‘superbubble’
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NASA and the ESA said the vast central void seen above measures around 210 by 140 light-years in area, and was likely created by the stars visible at its centre.
Read more: Hubble Space Telescope captures nebula ‘superbubble’