
1) Branch of meteorology
Found on
https://www.crosswordclues.com/clue/space-weather

Space weather is the time varying environmental conditions within the solar system, including the solar wind, and especially the space surrounding the Earth, including conditions in the near-Earth space defined by the magnetosphere down to the ionosphere and thermosphere. Space weather is distinct from the terrestrial weather of the Earth`s atmos....
Found on
http://en.wikipedia.org/wiki/Space_weather

The popular name for energy-releasing phenomena in the magnetosphere, associated with magnetic storms, substorms and shocks.
Found on
http://www.braeunig.us/space/glossary.htm

(from the article `space exploration`) ...the underlying causes of variations in solar activity, and the way in which those variations propagate through space and ultimately affect Earth`s ... ...scrutiny but also because its activity has important consequences for Earth and its inhabitants as dependence increases on space-based systems...
Found on
http://www.britannica.com/eb/a-z/s/134

The changing conditions in interplanetary space caused by fluctuations in the solar wind. See also: Solar Wind.
Found on
https://www.encyclo.co.uk/local/20687
No exact match found.