图片来自：NASA/WMAP Science Team, NASA Goddard, Coulter et al. 2017, Cowperthwaite et al. 2017, Amanda Smith/Institute of Astronomy, cococubed.com, https://kiss.caltech.edu/disciplines/planetary.html （从 Galaxies and cosmology 依次顺时针）

Image credit: NASA/WMAP Science Team, NASA Goddard, Coulter et al. 2017, Cowperthwaite et al. 2017, Amanda Smith/Institute of Astronomy, cococubed.com, https://kiss.caltech.edu/disciplines/planetary.html (Clock-direction from Galaxies and cosmology)