The phrase "galactic structure" refers to the way that galaxies are organized or built. It describes the arrangement and shapes of stars, gas, dust, and other celestial objects within a galaxy.
Sentences with «galactic structure»
What had seemed to be dim basic galactic structures in Dragonfly's view appeared as point - like sources in the Sloan image. (scientificamerican.com)
An analysis of public data from a NASA satellite turns up massive, previously unseen galactic structures (scientificamerican.com)