Sentences with phrase «often symmetrical shapes»
For decades, astronomers have suspected that planetary nebulae — dazzlingly colorful shrouds of gas cast off by dying stars — owe their weird but often symmetrical shapes to the sculpting magnetic forces of two stars orbiting each other at the nebula's center.
http://science.sciencemag.org/ Not exact matches
The internal shapes can read as biomorphic figures, bulbous, symmetrical, often placed off - center in a kind of precarious imbalance.