星际旅行的主要限制因素不是达到光速，而是巨大的散热挑战。这一物理限制显著影响了星际扩张的可行性和速度，影响了对费米悖论和寻找外星文明的看法。需要先进的工程技术来管理能源需求并实现相对论火箭所需的排气速度，这使得散热成为任何旨在进行银河殖民的文明的关键因素。 AI
排序理由 该条目是一篇讨论星际旅行理论物理限制的博客文章，而非主要公告或事件。
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散热而非光速限制星际旅行
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散热是星际旅行的主要限制因素
<p><span>Writing truly hard science fiction, such as </span><a href="https://www.amazon.com/Will-Stars-Contact-Pasha-Kamyshev/dp/B0FTV2LTNN/ref=tmm_pap_swatch_0" rel="noreferrer"><span>Will of the Stars</span></a><span> means contending with the laws of physics as they actually a…