#cneos — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cneos, aggregated by home.social.
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La @nasa ha actualizado los cálculos de probabilidad de impacto con la Tierra del asteroide 2024 YR4, rebajándola al 0,28 %, según datos del Centro de Estudios del Objetos Cercanos, que previamente la había situado en el 3,1% y más tarde en el 1,5%.
La Agencia Espacial Europea (ESA) bajó esa probabilidad, de igual manera, que ha pasado de 1,4 % a 0,16 %.
• @efenoticias | #asteroide2024yr4 #NASA #ESA #CNEOS
https://efe.com/ciencia-y-tecnologia/2025-02-20/nasa-asteroide-2024-yr4/
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#Impact probability of 2024 YR4 #Asteroid continues to rise, now at 2.4% according #CNEOS: https://cneos.jpl.nasa.gov/sentry/details.html#?des=2024%20YR4
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Hay alguno que pasa más cerca, alguno que lo hace más cerca de la nochebuena, alguno más pequeño y algún otro más gordito... Basta con mirar la lista que se actualiza en cada momento para ver que el dudoso título de "asteroide de navidad que rozará la Tierra" está disputado. Por ejemplo en #CNEOS
https://cneos.jpl.nasa.gov/ca/Y por estas cosas las noticias astronómicas nunca deben ser como las que bajo tal epígrafe aparecen en medios, mensajes de influencers con necesidad de impacto y eso.
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NASAが仮想の小惑星衝突シナリオを作成
https://www.nasa.gov/solar-system/asteroids/nasa-asteroid-experts-create-hypothetical-impact-scenario-for-exercise/
NASAが開催した仮想の小惑星衝突シナリオの打ち上げテーブルトーク演習について紹介。CNEOSチームが複雑なシナリオを設計し、国際的な協力を強調。14年後の地球衝突の可能性を想定し、
準備や決定の重要性が明らかになる #NASA #CNEOS #小惑星衝突 #打ち上げテーブルトーク演習 -
https://avi-loeb.medium.com/we-recovered-shock-resisting-steel-in-the-debris-field-of-the-first-recognized-interstellar-meteor-e21452e5a222
…when Ryan Weed ran the sample of shards through the X-ray Fluorescence (XRF) analyzer, the most likely alloy it flagged is X5 steel with titanium, which is also known as shock-resisting steel…consistent with the fact that IM1 was tougher in material strength than all other 272 meteors in the #CNEOS catalog of #NASA…shape of the recovered shards is nearly flat—as if they were surface layers broken off from a technological object which experienced extreme material stress. -
I never get tired of writing about the incredible work by #NASAJPL scientists who ping radar off nearby space rocks. The science that is gained from planetary radar is 🔥 And ranging measurements can help #CNEOS determine asteroids' orbit for decades, or centuries into the future https://www.jpl.nasa.gov/news/nasas-planetary-radar-captures-detailed-view-of-oblong-asteroid
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An incredible achievement by the planetary defense community! #2022WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit: https://www.jpl.nasa.gov/news/nasa-program-predicted-impact-of-small-asteroid-over-ontario-canada #CNEOS #PDCO #NASA #Scout #PlanetaryDefense
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An incredible achievement by the planetary defense community! #2022WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit: https://www.jpl.nasa.gov/news/nasa-program-predicted-impact-of-small-asteroid-over-ontario-canada #CNEOS #PDCO #NASA #Scout #PlanetaryDefense
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An incredible achievement by the planetary defense community! #2022WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit: https://www.jpl.nasa.gov/news/nasa-program-predicted-impact-of-small-asteroid-over-ontario-canada #CNEOS #PDCO #NASA #Scout #PlanetaryDefense
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An incredible achievement by the planetary defense community! #2022WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit: https://www.jpl.nasa.gov/news/nasa-program-predicted-impact-of-small-asteroid-over-ontario-canada #CNEOS #PDCO #NASA #Scout #PlanetaryDefense
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An incredible achievement by the planetary defense community! #2022WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit: https://www.jpl.nasa.gov/news/nasa-program-predicted-impact-of-small-asteroid-over-ontario-canada #CNEOS #PDCO #NASA #Scout #PlanetaryDefense
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#WTF?!?"Die Gruppe um den Astrophysiker Amir Siraj ist überzeugt, den Einschlagsort des Meteoriten auf ein Areal von 10 km × 10 km in der Bismarcksee am Rande des Pazifiks eingegrenzt zu haben. [...] Dort sei das Meer etwa 1,7 km tief. Mit dem magnetischen Schlitten wollen sie Fragmente bergen, die lediglich 0,1 mm groß sind."
#Forschung #interstellar #Meteorit #CNEOS2014-01-08 #CNEOS #NASA #Astrophysik #Astronomie #PoweredByRSS
www.heise.de/news/Forscher-wol…