- Live High-Definition Views from the International Space Station (Official NASA Stream) (youtube.com)
Live views from the International Space Station are streaming from an external camera mounted on the station’s Harmony module. \ The camera is looking forward at an angle so that International Docking Adapter 2 is visible. If the Harmony module camera is not available due to operational considerations for a longer period of time, a continuous loop of recorded Earth views will be displayed with the caption “Previously Recorded.”
- Taxonomic rank (Wikipedia)
In biology, taxonomic rank is the relative level of a group of organisms (a taxon) in an ancestral or hereditary hierarchy. A common system of biological classification (taxonomy) consists of species, genus, family, order, class, phylum, kingdom, and domain. While older approaches to taxonomic classification were phenomenological, forming groups on the basis of similarities in appearance, organic structure and behaviour, methods based on genetic analysis have opened the road to cladistics.