Historical texts that mentioned details about the battle site helped researchers match the images to the lost town of al-Qadisiyyah.

Declassified spy satellite images reveal 1,400-year-old battle site in Iraq that set off the Muslim conquest

Source: space
Source Link: https://www.space.com/the-universe/earth/declassified-spy-satellite-images-reveal-1-400-year-old-battle-site-in-iraq-that-set-off-the-muslim-conquest