Data from dust impacts on the STEREO antennas themselves are used to show that the emitted ionized cloud is positively charged and therefore contains mainly ions.
Bibliographical noteFunding Information:
This work was carried out with the sup port of NASA grants NNX11AB46G and NNX08AT81G. The data used, principally the data in Figure 1, together with the raw data as telemetered, are given in the “supporting information.”
- Dust impacts