The Milky Way appears ablaze with dust in this new all-sky map from Planck, a European Space Agency mission with important NASA contributions. The towers of fiery colors are actually dust in the galaxy and beyond that has been polarized. The data show light of 353 gigahertz or 0.85-millimeter wavelengths, which is longer than what we see with our eyes. When light reflects off surfaces or particles it can become polarized, which means that its electric fields line up in the same direction. Planck has special detectors than can pick up polarized light. Most of it comes from dust within our galaxy, but a very tiny fraction travels to us from the dawn of time, from billions of light-years away.