<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>Delfwood</author><text>&amp;gt; blowing an engine nearly horizontal to the surface&lt;p&gt;I doubt that objects put in &amp;quot;orbit&amp;quot; with a periapsis of almost zero (launched from the ground) would stay in flight for too long.</text><parent_chain><item><author>pmontra</author><text>So, land as few times as possible to carry what&amp;#x27;s needed to build a landing platform?&lt;p&gt;Conversely, blowing an engine nearly horizontal to the surface is going to shut off the Moon for a while. That&amp;#x27;s a weapon.</text></item></parent_chain></comment><story><title>The damage to lunar orbiting spacecraft caused by the ejecta of lunar landers</title><url>https://arxiv.org/abs/2305.12234</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>adastra22</author><text>Or add an atmosphere to the moon. Even a tenuous one would prevent this.</text><parent_chain><item><author>pmontra</author><text>So, land as few times as possible to carry what&amp;#x27;s needed to build a landing platform?&lt;p&gt;Conversely, blowing an engine nearly horizontal to the surface is going to shut off the Moon for a while. That&amp;#x27;s a weapon.</text></item></parent_chain></comment><story><title>The damage to lunar orbiting spacecraft caused by the ejecta of lunar landers</title><url>https://arxiv.org/abs/2305.12234</url></story>