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Cluster indications for some changes in the magnetosphere above the black aurora

Cluster indications for some changes in the magnetosphere above the black aurora


Date: 06 December 2001
Depicts: Diagram of observations
Copyright: ESA 2001. Illustration by Medialab

From an altitude of more than 21 600 km, the four Cluster spacecraft were able to study the conditions associated with the aurora far below.

In a matter of minutes the first three spacecraft (Rumba, Samba and Salsa) detected a threefold increase, from 700 to 2000 eV, in the energy of the upward electrons.

Shortly after when the fourth spacecraft (Tango) reached the same position the electric field had vanished.

Last Update: 1 September 2019
17-Oct-2021 09:15 UT

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