<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>bpodgursky</author><text>I didn&amp;#x27;t realize Hubble was even being pointed at objects within the solar system.</text><parent_chain></parent_chain></comment><story><title>Hubble finds evidence of persistent water vapor in one hemisphere of Europa</title><url>https://phys.org/news/2021-10-hubble-evidence-persistent-vapor-hemisphere.html</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>troyvit</author><text>How hard would it be to fly a probe through that vapor like we do through the tails of comets to collect some samples of that vapor?</text><parent_chain></parent_chain></comment><story><title>Hubble finds evidence of persistent water vapor in one hemisphere of Europa</title><url>https://phys.org/news/2021-10-hubble-evidence-persistent-vapor-hemisphere.html</url></story>