From the archive
Saturn's moon Iapetus wears a mountain range like a belt: a ridge running along its equator, up to 20 kilometers tall, giving the moon a walnut shape.
Source: Astronomy Picture of the Day: Iapetus: 3D Equatorial Ridge (NASA)
Today’s design
Akari Light Sculpture
Handmade from washi paper and bamboo in Gifu, Japan; 'akari' means both light and lightness.
See the real Akari Light Sculpture →A new fact every morning.Thursday, 24 September 2026