Located near the modern city of Nasiriyah, in southern Iraq, the ancient city of Girsu was occupied by the Sumerian civilization from the 3rd millennium BC
Armageddon
The half-tonne probe will be travelling at more than four miles a second
The planetary defense mission is anticipated to make an impact between Sept. 26 and Oct. 2, 2022
The Ilopango mega-eruption cooled the entire planet