NASA Tracking 'Potentially Hazardous' Empire-State—Sized Asteroids Incoming
The asteroids, named 447755 (2007 JX2) and (2020 XR), are each estimated to be roughly between 900 feet and 2,100 feet across.
PBS1y
The Lost Empire
At the height of its existence the Inca Empire was the largest nation on Earth and remains the largest ... Cuzco, which emerged as the richest city in the New World, was the center of Inca life ...
PBS6y
The Lost Empire
At the height of its existence the Inca Empire was the largest nation on Earth and remains the largest ... Cuzco, which emerged as the richest city in the New World, was the center of Inca life ...