XR flew about 1.37 million miles (2.2M km) away from Earth. The space rock is estimated to be about 300-700 km (248-434 miles) wide. Credit: Space.com | animation courtesy: 2024 NEO Coordination Centr ...
Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while astronomers warn that the moon could be in the line of fire as well.
Asteroids of this size regularly pass through the Earth's neighborhood, often unnoticed, unless they are actively tracked by NASA and other space agencies. The continuous monitoring of near-Earth ...