The maps may not be scientifically accurate, as we don’t know whether the elevation data in the NASA maps takes into account the equatorial bulge that is created due to rotation. On Earth we usually calculate elevation above or below Sea Level, but that doesn’t work on Mars as it doesn...
Yesterday, Googlereleaseda trove of new images in Google Street View, the well known (andquite controversial) service of Google Maps that provides photographic imagery of city streets. Only, the new cache of photos aren’t of streets, but of gardens, hiking trails, and parks. And they weren...
Issued in fascicles by plant family, its treatments are comprehensive, with keys to genera and species, lengthy descriptions, full synonymy, illustrations (including maps), citation of specimens examined, and lists of vernacular names. Perhaps 60 to 70 percent of the vascular plant spec...