News & Analysis
AAS
/
Article

A Close Look at an Ancient Moon

SEP 05, 2025
Researchers present the first-ever millimeter-wavelength map of Callisto, the coldest and most weather-worn of Jupiter’s major moons.
A Close Look at an Ancient Moon disp image

A Close Look at an Ancient Moon lead image

A photograph of a heavily cratered moon on a black background.

Researchers present the first-ever millimeter-wavelength map of Callisto, the coldest and most weather-worn of Jupiter’s major moons.

The post A Close Look at an Ancient Moon appeared first on AAS Nova .