"Astronomers have been observing snow on Mars for over a hundred years. Whether it was water or carbon dioxide was impossible to determine nor did anyone seriously consider that some of it might be water.
As for the troll, Sarbeck - Volcanism has…"
"I don't know which aches and pains are from aging and which are just my body lying to me. What I call "imaginary pains" that have no corresponding injury. Like the broken ankle that I can feel clear as shards of broken glass but which…"
"Before Earth becomes part of the red giant, it will naturally 'evolve' into a hotter version of Venus. As Sol ages it gradually increases its temperature. Eventually, all the water will boil off. Water is as bad as CO2 fir greenhousing the…"
"I don't know, Wild guess, perhaps they realized that they could save money if they moved it faster (less turnaround time) and in the horizontal position they would be able to move it faster - significantly less wind resistance and no worries…"