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#planetarydefence

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Astro Hawk (Ian Kluft) 🚀🛰️<p>An impact of <a href="https://spacey.space/tags/asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> on the <a href="https://spacey.space/tags/Moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Moon</span></a> could be visible from Earth, if it impacts the side that faces us. Additional hazards not mentioned in articles I've seen so far would affect planning for <a href="https://spacey.space/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://spacey.space/tags/Artemis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Artemis</span></a> landing missions and Lunar Gateway space station (not yet launched). Some ejecta/debris from the impact would leave the Moon's weak gravity and could threaten Earth or our satellites weeks or months after impact. <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>"Asteroid will miss Earth — but may set off lunar light show" by <span class="h-card" translate="no"><a href="https://mastodon.online/@cosmiclog" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>cosmiclog</span></a></span> / <span class="h-card" translate="no"><a href="https://mastodon.social/@alanboyle" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>alanboyle</span></a></span> - <a href="https://spacey.space/tags/Asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> orbit is understood well enough now that it will not impact Earth in 2032. But it's still close. A lunar impact remains possible, currently at 3.8% probability. The article paints a picture of just a light show visible from Earth. But there are more potential hazards. <a href="https://cosmiclog.com/2025/04/07/asteroid-will-miss-earth-but-may-set-off-lunar-light-show/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cosmiclog.com/2025/04/07/aster</span><span class="invisible">oid-will-miss-earth-but-may-set-off-lunar-light-show/</span></a> <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>"James Webb telescope takes emergency look at 'city-killer' asteroid 2024 YR4 ahead of close encounter in 2032" by <span class="h-card" translate="no"><a href="https://flipboard.com/@LiveScience" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LiveScience</span></a></span> - <a href="https://spacey.space/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://spacey.space/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> observations confirm <a href="https://spacey.space/tags/asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> will not impact Earth on the Dec 22, 2032 fly-by. An impact on the <a href="https://spacey.space/tags/Moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Moon</span></a>🌒 is still not ruled out. Another JWST observation is scheduled for May before the rock disappears into the dark outer solar system for several years. <a href="https://www.livescience.com/space/asteroids/james-webb-telescope-takes-emergency-look-at-city-killer-asteroid-2024-yr4-ahead-of-close-encounter-in-2032" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">livescience.com/space/asteroid</span><span class="invisible">s/james-webb-telescope-takes-emergency-look-at-city-killer-asteroid-2024-yr4-ahead-of-close-encounter-in-2032</span></a> <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>"A Near-Miss with a City-Killer Asteroid Highlights Gaps in Earth’s Defenses" by <span class="h-card" translate="no"><a href="https://flipboard.com/@SciAm" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>SciAm</span></a></span> - Increasing capabilities to search for the next wayward <a href="https://spacey.space/tags/asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asteroid</span></a> will mean recurring news like <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> where a threat is evaluated for potential collision course with Earth. At some point, we will find one headed here. Planning and test exercises try to become prepared for what to do when we know one is coming. <a href="https://www.scientificamerican.com/article/how-planetary-defenders-planned-to-stop-that-city-killer-asteroid/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">scientificamerican.com/article</span><span class="invisible">/how-planetary-defenders-planned-to-stop-that-city-killer-asteroid/</span></a> <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Spaceflight 🚀<p>Richard Moissl, head of <a href="https://spacey.space/tags/ESA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESA</span></a>’s <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> office, 54:00 : We have a blaringly obvious blind spot. Something like <a href="https://spacey.space/tags/Chelyabinsk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Chelyabinsk</span></a> ☄️💥 could happen any moment right now, we wouldn't have any prewarning <a href="https://www.youtube.com/watch?v=8njR4413hok" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=8njR4413ho</span><span class="invisible">k</span></a></p><p><a href="https://spacey.space/tags/AsteroidThreat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AsteroidThreat</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>"Asteroid 2024 YR4 is going to miss Earth, but the story doesn’t end there" by <span class="h-card" translate="no"><a href="https://mastodon.social/@arstechnica" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>arstechnica</span></a></span> / <span class="h-card" translate="no"><a href="https://journa.host/@sciguyspace" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>sciguyspace</span></a></span> - The orbit of <a href="https://spacey.space/tags/Asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> has been narrowed down enough to know it will not hit Earth. Get used to more asteroids being evaluated as potential threats. The good news is that humanity is increasingly able to find these threats which were already out there. Don't be a dinosaur.🦕🦖🌠 <a href="https://arstechnica.com/space/2025/02/asteroid-2024-yr4-may-be-a-dud-but-we-will-soon-find-many-more-threats/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">arstechnica.com/space/2025/02/</span><span class="invisible">asteroid-2024-yr4-may-be-a-dud-but-we-will-soon-find-many-more-threats/</span></a> <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>"You’re going to see more ‘city-killer’ asteroids, but fret not, MIT astronomer says" by KTLA Los Angeles - <a href="https://spacey.space/tags/Asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a> is a useful example of what we're likely to see more often as astronomers get better equipment to locate rocks that have always been out there but previously passed unseen in the dark. Observation of an asteroid's orbit should look like this each time. <a href="https://ktla.com/news/nationworld/city-killer-asteroids-more-common/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ktla.com/news/nationworld/city</span><span class="invisible">-killer-asteroids-more-common/</span></a> <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Astro Hawk (Ian Kluft) 🚀🛰️<p>I don't see new news articles yet. But I checked the <a href="https://spacey.space/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> JPL data on <a href="https://spacey.space/tags/asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asteroid</span></a> <a href="https://spacey.space/tags/2024YR4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4</span></a>. It has been dropped on the Torino Scale of impact hazards from 1 to 0, previously at 3 when it was in the news. Now 1 in 26000 chance of impact in the 2032 pass. 😌 Still expected to go to zero. Dark skies under a waning moon allowed enough observations to narrow down its orbit before it's too far away from Earth to see for 3 years. <a href="https://spacey.space/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://spacey.space/tags/PlanetaryDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefense</span></a> <a href="https://spacey.space/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://spacey.space/tags/LowFlyingRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowFlyingRocks</span></a> <a href="https://spacey.space/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a></p>
Bytes Europe<p>Top chip designer leaves US, ‘ghost particle’ detector: 7 science highlights <a href="https://www.byteseu.com/737259/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">byteseu.com/737259/</span><span class="invisible"></span></a> <a href="https://pubeurope.com/tags/2024YR4Asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>2024YR4Asteroid</span></a> <a href="https://pubeurope.com/tags/China" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>China</span></a> <a href="https://pubeurope.com/tags/China" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>China</span></a>'sBiggest2024Advances <a href="https://pubeurope.com/tags/ChineseSwedishTeam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChineseSwedishTeam</span></a> <a href="https://pubeurope.com/tags/MethaneEmissions" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MethaneEmissions</span></a> <a href="https://pubeurope.com/tags/NatureIndex" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NatureIndex</span></a> <a href="https://pubeurope.com/tags/neutrinos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neutrinos</span></a> <a href="https://pubeurope.com/tags/PhysicsResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhysicsResearch</span></a> <a href="https://pubeurope.com/tags/PlanetaryDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlanetaryDefence</span></a> <a href="https://pubeurope.com/tags/rice" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rice</span></a> <a href="https://pubeurope.com/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://pubeurope.com/tags/SouthChinaSea" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SouthChinaSea</span></a> <a href="https://pubeurope.com/tags/SunNan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SunNan</span></a> <a href="https://pubeurope.com/tags/TsinghuaUniversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TsinghuaUniversity</span></a> <a href="https://pubeurope.com/tags/UnderwaterObservatory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UnderwaterObservatory</span></a> <a href="https://pubeurope.com/tags/US" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>US</span></a></p>
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