Models of dust around Europa and Ganymede
We use numerical models, supported by our laboratory data, to predict the dust densities of ejecta outflux at any altitude within the Hill spheres of Europa and Ganymede. The ejecta are created by micrometeoroid bombardment and five different dust populations are investigated as sources of dust arou...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Published: |
Elsevier
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/51763 |
| _version_ | 1848758764321112064 |
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| author | Miljković, Katarina Hillier, J. Mason, N. Zarnecki, J. |
| author_facet | Miljković, Katarina Hillier, J. Mason, N. Zarnecki, J. |
| author_sort | Miljković, Katarina |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | We use numerical models, supported by our laboratory data, to predict the dust densities of ejecta outflux at any altitude within the Hill spheres of Europa and Ganymede. The ejecta are created by micrometeoroid bombardment and five different dust populations are investigated as sources of dust around the moons. The impacting dust flux (influx) causes the ejection of a certain amount of surface material (outflux). The outflux populates the space around the moons, where a part of the ejecta escapes and the rest falls back to the surface. These models were validated against existing Galileo DDS (Dust Detector System) data collected during Europa and Ganymede flybys. Uncertainties of the input parameters and their effects on the model outcome are also included. The results of this model are important for future missions to Europa and Ganymede, such as JUICE (JUpiter ICy moon Explorer), recently selected as ESAs next large space mission to be launched in 2022. © 2012 Elsevier Ltd. |
| first_indexed | 2025-11-14T09:49:10Z |
| format | Journal Article |
| id | curtin-20.500.11937-51763 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:49:10Z |
| publishDate | 2012 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-517632023-02-23T08:02:21Z Models of dust around Europa and Ganymede Miljković, Katarina Hillier, J. Mason, N. Zarnecki, J. We use numerical models, supported by our laboratory data, to predict the dust densities of ejecta outflux at any altitude within the Hill spheres of Europa and Ganymede. The ejecta are created by micrometeoroid bombardment and five different dust populations are investigated as sources of dust around the moons. The impacting dust flux (influx) causes the ejection of a certain amount of surface material (outflux). The outflux populates the space around the moons, where a part of the ejecta escapes and the rest falls back to the surface. These models were validated against existing Galileo DDS (Dust Detector System) data collected during Europa and Ganymede flybys. Uncertainties of the input parameters and their effects on the model outcome are also included. The results of this model are important for future missions to Europa and Ganymede, such as JUICE (JUpiter ICy moon Explorer), recently selected as ESAs next large space mission to be launched in 2022. © 2012 Elsevier Ltd. 2012 Journal Article http://hdl.handle.net/20.500.11937/51763 10.1016/j.pss.2012.06.006 Elsevier restricted |
| spellingShingle | Miljković, Katarina Hillier, J. Mason, N. Zarnecki, J. Models of dust around Europa and Ganymede |
| title | Models of dust around Europa and Ganymede |
| title_full | Models of dust around Europa and Ganymede |
| title_fullStr | Models of dust around Europa and Ganymede |
| title_full_unstemmed | Models of dust around Europa and Ganymede |
| title_short | Models of dust around Europa and Ganymede |
| title_sort | models of dust around europa and ganymede |
| url | http://hdl.handle.net/20.500.11937/51763 |