This suggests either that they are happening outside the Milky Way or that they occur in the spherical halo that surrounds its main disc.

ECONOMIST: Astronomy

The minute hand remains but hours are displayed on a main rotating disc.

WSJ: The Face of Watchmaking's Future at SIHH and GTE

James Cook, a year into his circumnavigation of the world, observed the transit of Venus over the Sun's disc, the main purpose of his voyage.

CNN: Tuesday,