<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>bmsan</author><text>Dang, hits home. When I was a senior in high school, I was lucky to able to volunteer under Dr. Eric Brown De Colstoun at NASA Goddard, checking error rates for tree cover estimates using Landsat data^. Many hours that fall spent trudging around parks and forests, looking at the sky through a PVC pipe. It still kind of blows my mind at how much is able to be gained from images where each pixel is 15mx15m of ground-level area (and, I believe, with an important component of Landsat 7&amp;#x27;s imaging system broken for most of its lifespan).&lt;p&gt;I also wasn&amp;#x27;t aware that Landsat program imagery had been made free to access a few years later. Nice.&lt;p&gt;^(A massive thank you to him, since I wouldn&amp;#x27;t have graduated without being able to participate in that project. And a massive apology for going on to get a fine arts degree.)</text><parent_chain></parent_chain></comment><story><title>End of an era: Landsat 7 mission takes final images</title><url>https://www.usgs.gov/news/national-news-release/end-era-historic-landsat-7-mission-takes-final-images</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>tiffanyh</author><text>In the Las Vegas slider, the Lake Mead before&amp;#x2F;after difference is startling.</text><parent_chain></parent_chain></comment><story><title>End of an era: Landsat 7 mission takes final images</title><url>https://www.usgs.gov/news/national-news-release/end-era-historic-landsat-7-mission-takes-final-images</url></story>