Liang, Z.-C.; Gizon, L.; Schunker, H.; Philippe, T.: Helioseismology of sunspots: defocusing, folding, and healing of wavefronts. Astronomy and Astrophysics 558, A129 (2013)
The Uranian magnetic field is more expansive than previously thought, according to newly analyzed data from Voyager 2, making it easier to search for moons with oceans.