We've seen "ghost plane" shadow images from airplanes all the time, and sometimes "red shadow" on coasts, but I've not seen a "land shadow" like what is visible by enhancing the area of Kiribati here.
We've seen "ghost plane" shadow images from airplanes all the time, and sometimes "red shadow" on coasts, but I've not seen a "land shadow" like what is visible by enhancing the area of Kiribati here.