Using conjunction observations from three THEMIS spacecraft and one MMS spacecraft, we demonstrate that a kinetic FB and an MHD HFA can occur simultaneously, accelerating electrons up to 100 keV and ...

Venus and Earth, although they've taken two dramatically different climatic roads, are considered sibling planets. They're about the same size. They're made out of the same rocky stuff. They both ...

Planetary magnetic fields arise from the dynamo effect, where a planet’s rotation and a molten, convecting interior create an electric current. The Moon likely had such a system in its early history ...