AVIATR - Titan Airplane Mission Concept, Proposed unmanned aerial exploration of Titan |
AVIATR - Titan Airplane Mission Concept, Proposed unmanned aerial exploration of Titan |
Apr 16 2010, 12:20 AM
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Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
The AVIATR mission concept is an unmanned aerial vehicle that would fly over Titan’s surface. It’s nominal one year mission would enable detailed high-resolution images of Titan’s diverse landscapes for better comparison to Earth’s geological processes. Selected regions could be imaged at resolutions near 30 cm/pixel, equivalent to current HiRise imaging of Mars. In addition, atmospheric sampling would allow a profile of Titan’s thick lower atmosphere and how it relates to Earth’s atmospheric processes and weather systems.
Further details of the AVIATR mission concept were presented at the Lunar and Planetary Sciences Conference 2010 and at Titan Through Time 2010. See: Barnes et al. LPSC 41 (2010) Abstract 2551. “AVIATR: Aerial Vehicle for In-situ and Airborne Titan Reconnaissance.” Freely available here: http://www.lpi.usra.edu/meetings/lpsc2010/pdf/2551.pdf And also: http://www.info.uidaho.edu/documents/2010%...18467&doc=1 -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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Jul 13 2010, 02:33 PM
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Senior Member Group: Members Posts: 1018 Joined: 29-November 05 From: Seattle, WA, USA Member No.: 590 |
I think I see. Part of my confusion is that, in the computer biz, when we talk about the resolution of a screen, we always just mean the pixels. So, if I understand correctly, when you guys talk about resolution, you include all the factors that could degrade the image: the pixel scale, of course, but also atmospheric noise, diffraction, probably even noise in the electronics themselves. Beyond a certain point (all other things being equal) increasing the pixel scale will not improve resolution at all. And so the dispute you two are having is not over the actual hardware being used but over the effect of these other factors?
Ralph: When you talk about doing science below the pixel scale, are you talking about making repeated observations of the same thing and computing a higher-resolution model from that? That is, you have to depend on having a static target. Or do you mean something more complex? (I may be guilty of seeing Bayesian and Markov Networks everywhere these days.) ;-) --Greg |
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