An asteroid, 2024 YR4, initially flagged as a potential Earth threat, is now causing concern due to a possible collision course with the Moon in late 2032. While the direct danger to Earth has been dismissed, scientists are considering the implications of such an impact on the lunar surface and even Earth's orbiting satellites.
The asteroid, approximately 60 metres in diameter, could create a visible explosion and leave a crater roughly 1 kilometre wide on the Moon. A collision of this magnitude would eject significant amounts of dust and rock, some of which could reach Earth as a meteor shower. This debris could pose a threat to satellites essential for communication and navigation. Even small fragments could cause damage at high speeds.
Despite the potential dangers, such an event could provide a unique opportunity for scientific study, offering insights into how the lunar surface responds to large-scale impacts. Scientists could learn about debris dispersal and crater formation. Furthermore, the event raises the question of whether planetary defence strategies should extend beyond Earth to include the Moon, particularly as lunar missions and potential human settlements become more likely.
Although the risk of impact is currently low (4.3%), scientists are considering whether to attempt to divert the asteroid. The article also highlights a weakness in current detection capabilities; the asteroid was detected late due to its approach from the direction of the sun. New telescopes and missions are being developed to address these blind spots and provide earlier warnings of potential threats.
Fuente Original: https://es.gizmodo.com/un-impacto-inesperado-podria-cambiar-la-historia-lunar-para-siempre-2000182058
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