Sentences with phrase «symmetric spiral»
We detect polarized scattered light up to ~ 0.42» (~ 48 au) and detect a cavity, a rim with azimuthal brightness variations at an inclination of 38 degrees, two shadows and two symmetric spiral arms.
https://arxiv.org/
The lovely, familiar swirl of the Milky Way, with its symmetric spiral arms winding outward from a central bulge, may be scars from a smaller galaxy punching above its weight.