Spaceflight 🚀<p><a href="https://spacey.space/tags/Astronauts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronauts</span></a> 👨🚀 travelling to <a href="https://spacey.space/tags/Mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mars</span></a> would encounter <a href="https://spacey.space/tags/radiation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radiation</span></a> ☢️ levels higher than humans have ever experienced, and be exposed to them for much longer.</p><p>To protect them, the <a href="https://spacey.space/tags/spacecraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spacecraft</span></a> would either have to be much bulkier, making launches expensive and difficult, or be made of more efficient <a href="https://spacey.space/tags/shielding" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shielding</span></a> 🛡️ materials. <a href="https://www.skyatnightmagazine.com/space-missions/how-will-humans-survive-the-journey-to-mars" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">skyatnightmagazine.com/space-m</span><span class="invisible">issions/how-will-humans-survive-the-journey-to-mars</span></a></p><p><a href="https://spacey.space/tags/RadiationProtection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RadiationProtection</span></a> <a href="https://spacey.space/tags/LunarGateway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LunarGateway</span></a> <a href="https://spacey.space/tags/Artemis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Artemis</span></a> <a href="https://spacey.space/tags/Moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Moon</span></a></p>