Should YR4 strike the Moon, the collision could eject up to 100 million kilograms of lunar debris into space. A portion of this material might enter Earth’s orbit, posing risks to satellites and other ...

Earth will have a close shave with two asteroids - Apophis and Asteroid YR4 2024. In 2029, 99942 Apophis will fly by at an eerily close distance and will be visible even to the naked eye. In 2032, YR4 ...