Does the 2024 YR4 asteroid threaten the earth?<\/p>\n
In late 2024, it was first spotted blinking on Nasa\u2019s radar as a potentially catastrophic Earth impactor set for December 22, 2032.<\/p>\n
This asteroid has since been ruled out as a direct threat to our planet \u2013 a huge sigh of relief for us Earthlings.<\/p>\n
If the asteroid-Moon smashup happens, what’s next?<\/p>\n
If 2024 YR4 smacks the lunar surface, astronomers predict it could unleash an epic explosion powerful enough to send a shower of \u201cbullet-like\u201d meteor debris flying toward Earth.\u00a0<\/p>\n
The collision could also carve out an impact crater roughly one kilometer wide, reshaping the lunar surface in a single cataclysmic moment.\u00a0<\/p>\n
Where is the asteroid now?<\/p>\n
Molly Wasser, in an update on the Nasa Planetary Defence team, said that asteroid 2024 YR4 is currently too distant to detect with\u202ftelescopes from Earth.<\/p>\n
But NASA\u2019s James Webb Space Telescope has collected one more observation of the asteroid before it escaped from view in its orbit around the Sun.\u00a0\u00a0<\/p>\n
This has enabled Nasa\u2019s Center for Near-Earth Object Studies to refine 2024 YR4\u2019s orbit using Webb data, improving trajectory predictions by nearly 20%. <\/p>\n
This raised the chance of a lunar impact on December 22, 2032, from 3.8% to 4.3%.<\/p>\n
What will be the effect on man-made satellites?<\/p>\n
Imagine a dazzling meteor shower lighting up the skies, but also a potential headache for our precious satellites zooming overhead.\u00a0<\/p>\n
Astronomers warn that these space invaders could threaten the gadgets that handle our GPS, broadband internet, and weather forecasts \u2014 basically our modern lifelines.<\/p>\n
Would the lunar strike alter the Moon\u2019s orbit?<\/p>\n
No. Nasa experts say this strike would not alter the Moon\u2019s orbit or endanger life on Earth directly.\u00a0<\/p>\n
However, the aftermath could be spectacular and consequential \u2014 hurling a rain of lunar debris towards our planet\u2019s atmosphere.\u00a0<\/p>\n
While most fragments would burn up harmlessly on entry, some pose risks to orbiting satellites, threatening the critical infrastructure that underpins global communication and weather forecasting.<\/p>\n
How is its movement detected?<\/p>\n
Using the near-infrared camera aboard the James Webb Telescope, astronomers led by Johns Hopkins Applied Physics Laboratory have refined the asteroid\u2019s predicted trajectory by nearly 20%.<\/p>\n
This is how the impact odds was nudged upward while shoring up confidence in this new hazardous scenario.\u00a0<\/p>\n
The European Space Agency (ESA) also highlights the value of next-generation infrared observatories like NEOMIR, which would have detected 2024 YR4 a full month earlier, providing essential lead time for monitoring and planetary defense preparedness.<\/p>\n
What does a 4% chance of collision mean?<\/p>\n
The suspense is heightened by the relative rarity of such lunar impact events.\u00a0<\/p>\n
While space is vast, and collisions remain statistically infrequent, a 4% chance is “very high” in astronomical terms, say Nasa experts.\u00a0<\/p>\n
This scenario casts the Moon not merely as a silent celestial body, but as an active participant in our solar system\u2019s ongoing drama.<\/p>\n","protected":false},"excerpt":{"rendered":"Does the 2024 YR4 asteroid threaten the earth? In late 2024, it was first spotted blinking on Nasa\u2019s…\n","protected":false},"author":2,"featured_media":298729,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3844],"tags":[70,413,16,15],"class_list":{"0":"post-298728","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-science","9":"tag-space","10":"tag-uk","11":"tag-united-kingdom"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/114931434249331003","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/298728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=298728"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/298728\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/298729"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=298728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=298728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=298728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}