Spaceflight 🚀<p>The first step in averting an <a href="https://spacey.space/tags/asteroid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>asteroid</span></a> ☄️ impact 💥 with Earth is just to know what near-Earth objects are out there 🔭. Plenty of city-killer asteroids remain lurking and undiscovered, potentially still posing a real risk to life on the planet. In the 50-meter range, a meager 7 percent 📊 of <a href="https://spacey.space/tags/NEOs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NEOs</span></a> have been found. <span class="h-card" translate="no"><a href="https://astrodon.social/@VRubinObs" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>VRubinObs</span></a></span> and <a href="https://spacey.space/tags/NEOSurveyor" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NEOSurveyor</span></a> will locate an anticipated 90 percent of the entire population of objects 140 meters 📏 and larger <a href="https://spectrum.ieee.org/planetary-defense-killer-asteroids" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">spectrum.ieee.org/planetary-de</span><span class="invisible">fense-killer-asteroids</span></a></p><p><a href="https://spacey.space/tags/AsteroidThreat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AsteroidThreat</span></a> <a href="https://spacey.space/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a></p>