scholarly journals Galileo Spacecraft Views of Europa

1998 ◽  
Vol 11 (2) ◽  
pp. 1082-1086
Author(s):  
R. Greeley

AbstractThe Galileo orbiter and its Solid State Imaging system have increased the photographic coverage and resolution of Europa, revealing a complex surface that has been modified by tectonic deformation, impact craters on a wide range of scales, and possible cryovolcanic activity. The morphology of many of the features suggests that the depth to either liquid water or mobile-ductile ice was relatively shallow (< few kilometers) at the time of their formation. Characteristics of the mottled terrain and impact ejecta deposits suggest the presence of a shallow (˜km) subsurface zone beneath the bright icy crust. The Galileo Europa Mission, approved to continue orbital operations through 1999, will include at least nine close flybys of Europa, enabling global and regional mapping, along with high-resolution imaging of selected areas.

2021 ◽  
Vol 41 (2) ◽  
pp. 0208002
Author(s):  
李江勇 Li Jiangyong ◽  
冯位欣 Feng Weixin ◽  
刘飞 Liu Fei ◽  
魏雅喆 Wei Yazhe ◽  
邵晓鹏 Shao Xiaopeng

2019 ◽  
Vol 48 (3) ◽  
pp. 312003
Author(s):  
明名 MING Ming ◽  
陈涛 CHEN Tao ◽  
徐天爽 XU Tian-shuang

Author(s):  
Wu-Feng Yeh ◽  
Junlan Wang

This paper presents the design and analysis of a novel MEMS (Micro-Electro-Mechanical System) based auto-focusing system. By combining a folded in-plane optical path design and MEMS microfabricated optical components and comb drive actuator, the auto-focusing function is achieved in a compact system with continuously adjustable imaging distances. Theoretical analysis and numerical simulation validated the feasibility of the design. The auto-focusing system presented in this work is applicable to a wide range of technological fields where high resolution imaging is desired while the space is limited.


2006 ◽  
Vol 33 (6Part22) ◽  
pp. 2278-2278
Author(s):  
D Roa ◽  
R Smither ◽  
Y Shieh ◽  
K Nie ◽  
X Zhang ◽  
...  

1989 ◽  
Vol 8 ◽  
pp. 545-546
Author(s):  
John Davis

As a result of advances in instrumentation and techniques, from radio through to optical wavelengths, we have before us the prospect of producing very high resolution images of a wide range of objects across this entire spectral range. This prospect, and the new knowledge and discoveries that may be anticipated from it, lie behind an upsurge in interest in high resolution imaging from the ground. Several new high angular resolution instruments for radio, infrared, and optical wavelengths are expected to come into operation before the 1991 IAU General Assembly.


2006 ◽  
Author(s):  
Tümay O. Tumer ◽  
Victoria B. Cajipe ◽  
Martin Clajus ◽  
Satoshi Hayakawa ◽  
Alexander Volkovskii

2002 ◽  
Vol 10 (1) ◽  
pp. 65
Author(s):  
Scott Teare ◽  
Sergio Restaino ◽  
Don Payne

2004 ◽  
Author(s):  
Xiaoshi Zhang ◽  
Daisy Raymondson ◽  
Arvinder S. Sandhu ◽  
Sterling Backus ◽  
Yanwei Liu ◽  
...  

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