Recent observations have led scientists to revise the estimated size of asteroid 2024 YR4, now measuring approximately 60 meters in diameter—significantly larger than earlier assessments. This adjustment underscores the importance of precise measurements in evaluating potential threats from near-Earth objects.

Initially, 2024 YR4 raised concerns due to a calculated 3.1% chance of impacting Earth. However, subsequent analyses have effectively ruled out this possibility, providing reassurance regarding our planet's immediate safety.

Attention has now shifted to the Moon, as current data indicates a 2% probability of the asteroid colliding with our lunar neighbor on December 22, 2032. While this likelihood remains low, such an event could offer a unique opportunity for scientific study, particularly in observing impact dynamics and crater formation.

The James Webb Space Telescope (JWST) has played a pivotal role in these findings. Its advanced infrared capabilities have allowed for more accurate assessments of the asteroid's size and trajectory, highlighting the critical role of cutting-edge technology in planetary defense initiatives.

In summary, while asteroid 2024 YR4 no longer poses a direct threat to Earth, ongoing monitoring remains essential. The potential lunar impact, albeit unlikely, presents an opportunity for further scientific exploration and underscores the necessity of continued vigilance in tracking near-Earth objects.