N44 H II Region Wall Art including Frame t-shirt Three-colour composite image of the

Three-colour composite image of the Omega Nebula (Messier 17

Image Credit: NASA/CXC/RIKEN/T

Astronomers aren't sure how rings like this form in galaxies but some theories suggest they arise out of gravitational disturbances with neighboring galaxies

In addition to the threads

over 4 billion years

N44 H II Region Wall Art including Frame t-shirt Three-colour composite image of theThis image of the spectacular N44 H II region in the LMC displays (very nearly) its central region, which is dominated by a large, ring shaped nebula that includes a bright stellar association of very luminous stars. It emits X rays this is interpreted as a sign that several heavy stars in this area have exploded as supernova during the last few million years. N44 is a very bright, rich and well studied complex in the LMC, somewhat apart from the