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Two interacting X lines in magnetotail: Evolution of collision between the counterstreaming jets
Retinò, Alessandro; Nakamura, Rumi; Nakamura, Takuma +5 more
We study the process of collision between the counterstreaming jets flowing out from two reconnection sites in the Earth's magnetotail. The X lines, bracketing the region of jets collision, were passing by two Cluster probes successively in tailward direction. Two probes observed two different stages of the collision process. At the jets collision…
Thin energetic O+ layer embedded in the magnetotail reconnection current sheet observed by Cluster
Sun, W. J.; Fu, S. Y.; Zong, Q. G. +6 more
In the classical picture of the magnetotail current sheet, the current carriers are mainly ions that undergo nonadiabatic motions. Oxygen ions could contribute a thicker current sheet than the protons due to their large gyroradii. In this paper, however, we report a thin energetic O+ layer embedded in the magnetotail proton current shee…
Ducted electromagnetic waves in the Martian ionosphere detected by the Mars Advanced Radar for Subsurface and Ionosphere Sounding radar
Huang, Qian; Zhang, Jie; Orosei, Roberto +1 more
In the data of the Mars Advanced Radar for Subsurface and Ionosphere Sounding on board the European Space Agency (ESA) mission Mars Express (MEX), a distinctive type of signals (called the "epsilon signature"), which is similar to that previously detected during radio sounding of the terrestrial F region ionosphere, is found. The signature is inte…