[HN Gopher] Plants have been grown in lunar soil for the first t... ___________________________________________________________________ Plants have been grown in lunar soil for the first time ever Author : lelf Score : 41 points Date : 2022-05-13 17:29 UTC (1 days ago) (HTM) web link (www.cnn.com) (TXT) w3m dump (www.cnn.com) | 11235813213455 wrote: | Not very surprising, as long as you add the missing piece which | is water | danparsonson wrote: | I disagree - Terran soil is much more than just rock dust and | water. | ghostpepper wrote: | They added the required nutrients as well. I don't mean to | downplay the importance of basic science but what does this | really prove? | wgj wrote: | The article answers that several different ways. | nousermane wrote: | Whole experiment is plain absurd. From https://en.wikipedia | .org/wiki/Lunar_soil#Mineralogy_and_comp... | | > There are two profound differences in the chemistry of | lunar regolith and dirt from terrestrial materials. The | first is that the Moon is very dry. As a result, those | minerals with water as part of their structure (mineral | hydration) such as clay, mica, and amphiboles are absent | from the Moon's surface. | | > The second difference is that lunar regolith and crust | are chemically reduced, rather than being significantly | oxidized like the Earth's crust. | | They added water and oxygen. Which undoes both of above. So | they ended up with more or less aseptic earth dirt. And | yeah, plants grow in that, duh. | hprotagonist wrote: | ... and they _hate_ it! | perihelions wrote: | Two other threads: | | https://news.ycombinator.com/item?id=31374720 (29 comments) | | https://news.ycombinator.com/item?id=31358609 (69 comments) ___________________________________________________________________ (page generated 2022-05-14 23:00 UTC)