Discussion (81 points, 2 hours ago, 49 comments) <a href="https://news.ycombinator.com/item?id=43711376">https://news.ycombinator.com/item?id=43711376</a><p>Related:<p>2023 <i>Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18B</i> (235 points, 135 comments) <a href="https://news.ycombinator.com/item?id=37468342">https://news.ycombinator.com/item?id=37468342</a><p>2019 <i>Water found on a potentially life-friendly alien planet</i> (606 points, 384 comments) <a href="https://news.ycombinator.com/item?id=20944005">https://news.ycombinator.com/item?id=20944005</a>