Spotlight image of the TanDEM-X satellite on 24 January 2024

Spotlight image of the TanDEM-X satellite on 24 January 2024
Spotlight image of the TanDEM-X satellite on 24 January 2024
The probable reason for the decrease in the brightness of the lava in the image is the change in its roughness, which determines its 'backscattering' properties – that is, how much of the radar signal is reflected directly back to the antenna.