Earth weaves its own invisible cloak
Polar fountains fill magnetosphere with ions
It may be old news but some people here may not be aware of the polar fountains.
http://science.nasa.gov/newhome/headlines/ast09dec97_3.htm
Polar fountains fill magnetosphere with ions
It may be old news but some people here may not be aware of the polar fountains.
http://science.nasa.gov/newhome/headlines/ast09dec97_3.htm