Sonnenwinddaten: Das Plasmabeta repräsentiert das Verhältnis von kinetischem zu magnetischem Druck im kosmischen Plasma. Die Anisotropie ist das Verhältnis der Temperaturen senkrecht und parallel zu den Magnetfeldlinien. In Farbe wird die Zahl der Messwerte dargestellt (rot entspricht vielen Werten, blau wenigen). Warum die Messwerte die charakteristische Rautenform einnehmen, erklärt ein neues Modell der Bochumer Physiker.
Quelle: Physical Review Letters © American Physical Society
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