The Galileo star scanner observations at Amalthea
| Autor: | Claudia Alexander, Paul Fieseler, Olen W Adams, George D. Lewis, Shadan M Ardalan, E.E. Theilig, Kathryn A. Schimmels, Nancy Vandermey |
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| Rok vydání: | 2004 |
| Předmět: |
Physics
Scanner Astronomy Astronomy and Astrophysics Star (graph theory) Jovian law.invention Jupiter Atmosphere Telescope Orbit Space and Planetary Science law Physics::Space Physics Astrophysics::Solar and Stellar Astrophysics Astrophysics::Earth and Planetary Astrophysics Galileo (vibration training) |
| Zdroj: | Icarus. 169:390-401 |
| ISSN: | 0019-1035 |
| Popis: | In November of 2002, the Galileo spacecraft passed within 250 km of Jupiter's moon Amalthea. An onboard telescope, the star scanner, observed a series of bright flashes near the moon. It is believed that these flashes represent sunlight reflected from 7 to 9 small moonlets located within about 3000 km of Amalthea. From star scanner geometry considerations and other arguments, we can constrain the diameter of the observed bodies to be between 0.5 m to several tens of kilometers. In September of 2003, while crossing Amalthea's orbit just prior to Galileo's destruction in the jovian atmosphere, a single additional body seems to have been observed. It is suspected that these bodies are part of a discrete rocky ring embedded within Jupiter's Gossamer ring system. |
| Databáze: | OpenAIRE |
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