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#tunguska

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Daniel Fischer<p>Nothing to see here ... but we have a 50-meter <a href="https://scicomm.xyz/tags/asteroid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asteroid</span></a> right now with a probability of 1:83 to <a href="https://scicomm.xyz/tags/impact" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>impact</span></a> Earth in 2032 and cause an explosion with an energy comparable to the <a href="https://scicomm.xyz/tags/Tunguska" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tunguska</span></a> event: watch the page <a href="https://cneos.jpl.nasa.gov/sentry/details.html#?des=2024%20YR4" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cneos.jpl.nasa.gov/sentry/deta</span><span class="invisible">ils.html#?des=2024%20YR4</span></a> for the evolving assessment; when future astrometry eventually rules out an impact (as is the typical outcome of such cases) it will simply vanish.</p>
Spaceflight 🚀<p>Near-Earth objects (NEOs) represent potentially catastrophic threats to our planet. The approximate total impact energy of the <a href="https://spacey.space/tags/Chelyabinsk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Chelyabinsk</span></a> Fireball 2013 was 440 kilotons, the most energetic impact 💥 event recognized since the 1908 <a href="https://spacey.space/tags/Tunguska" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tunguska</span></a> blast in Russian Siberia. <a href="https://www.un.org/en/observances/asteroid-day" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">un.org/en/observances/asteroid</span><span class="invisible">-day</span></a></p>
Spaceflight 🚀<p>The 2024 MK asteroid ☄️ is at least twice the length of the <a href="https://spacey.space/tags/Tunguska" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tunguska</span></a> impactor. It is certainly welcome that the asteroid was found before its encounter with Earth, and that it will miss us. But astronomers just discovered the space rock on June 16 ⏱️ <a href="https://www.nytimes.com/2024/06/27/science/asteroid-earth-nasa.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nytimes.com/2024/06/27/science</span><span class="invisible">/asteroid-earth-nasa.html</span></a></p><p><a href="https://spacey.space/tags/AsteroidThreat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AsteroidThreat</span></a> <a href="https://spacey.space/tags/AsteroidDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AsteroidDay</span></a></p>
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