EditorialThe moon’s orbital plane is at a slight incline relative to the Earth’s, creating a so-called wobble effect. (Dave Sanders/The New York Times)
EditorialThe Muon g-2 ring, at the Fermi National Accelerator Laboratory in Batavia, Ill., operates at minus 450 degrees Fahrenheit and studies the wobble of muons as they travel through the magnetic field. (Reidar Hahn/Fermilab/U.S. Department of Energy via The New York Times)