As a consequence, the directions of polarization for stars in different parts of the sky make it possible to plot the direction of the magnetic field in the Milky Way. (britannica.com)
If the data from different parts of the sky agree with one another, Jones says, then they probably have a common origin in the cosmic microwave background. (sciencenews.org)
Right: the duration for which TESS will observe different parts of the sky, with the James Webb Space Telescope (JWST) continuous viewing zone. (aasnova.org)