#diamagnetic_cavity

A comet’s life – a new #sonification from #Rosetta’s #rpc data
▻http://blogs.esa.int/rosetta/2016/09/29/a-comets-life-a-new-sonification-from-rosettas-rpc-data

In 2014, shortly after Rosetta’s arrival at #Comet_67P/Churyumov-Gerasimenko, the magnetometer on the Rosetta #plasma Consortium (RPC) suite of #Instruments, #RPC-Mag, detected some surprising oscillations in the plasma surrounding the nucleus, revealing the comet’s mysterious “song”. Now, after two years of monitoring the plasma around the comet, the RPC team present a new song based on data collected during the entire mission, describing the comet’s evolution from the point of view of Rosetta’s magnetometer. While the nucleus of Comet 67P/C-G is itself not magnetised, as measured by plasma instruments on both Rosetta and the lander Philae, it is embedded in the interplanetary #magnetic_field carried throughout the Solar System by the solar wind – a continuous flow of electrically charged (...)

#Audio #Fun_stuff #Science #diamagnetic_cavity #music #singing_comet #waves

#Rosetta finds #magnetic_field-free bubble at #comet
▻http://blogs.esa.int/rosetta/2016/03/11/rosetta-finds-magnetic-field-free-bubble-at-comet

This article is mirrored from the main ESA web portal. ESA’s #rosetta spacecraft has revealed a surprisingly large region around its host comet devoid of any magnetic field. When ESA’s #Giotto flew past #Comet_Halley three decades ago, it found a vast magnetic-free region extending more than 4000 km from the nucleus. This was the first observation of something that scientists had until then only thought about but had never seen. Interplanetary space is pervaded by the #solar_wind, a flow of electrically charged particles streaming from the Sun and carrying its magnetic field across the Solar System. But a comet pouring lots of gas into space obstructs the solar wind. At the interface between the solar wind and the coma of gas around the active comet, particle collisions as well as sunlight (...)

#Comet_67P #Comets #Images #Science #diamagnetic_cavity #rpc #RPC-Mag