The spiral galaxy NGC 4258 is ejecting gas and high-energy particles in a spectacular display of galactic power (Image: NASA/CXC/JPL-Caltech/STScI/NSF/NRAO/VLA)
Chandra observatory x-ray image of shock waves (Image: NASA/CXC/NASA/JPL-Caltech)
As the US prepares for 4th of July fireworks here on Earth, a nearby spiral galaxy similar to our Milky Way is putting on a pyrotechnics display of its own. The galaxy, NGC 4258 (also known as Messier 106 or M 106), is ejecting gas and high-energy particles in a spectacular display of power that is rippling across the face of the galaxy with shock waves of stellar energy.
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