Spinning Earth is a 3-D simulation of
the earth in rotation.
View a dynamic visualization of nighttime as it moves around
map wrap-arounds: Political Boundaries, Elevation & Depth,
Land Cover, and Population Density. Zoom in and out. Select
active, paused, or stepped rotation. Choose latitude and
longitude settings. Apply optional "transparent" oceans" mode.
to Josh Metzler, developer of TerraViva!