A day on Mars is about 40 minutes longer than a day on Earth, so astronomers have a word for that unit of time. They call it a sol, from the Latin word for sun. NASA scientists refer to and the day before the current sol as yestersol. They tried...
fine n.— «The production of rock flour is another venture under the auspices of Minerals for Agriculture. When companies mine basic rock for aggregates, the fines from this process, called rock flour, can be used to remineralise the soil...
rock flour n.— «The production of rock flour is another venture under the auspices of Minerals for Agriculture. When companies mine basic rock for aggregates, the fines from this process, called rock flour, can be used to remineralise the...
cherrystem v.— «Interior Dept. officials are expected to decide by July 23 whether to retain existing department policy on “cherrystemming” in Bureau of Land Management wilderness study areas (WSAs).… A cherrystem is a...