NDLI: Astrobiology exploration strategies for the mars polar regions using balloon platforms

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Astrobiology exploration strategies for the mars polar regions using balloon platforms

Content Provider	NASA Technical Reports Server (NTRS)
Author	Atreya, S. A. Mahaffy, P. R. Jones, J. Scott, J. Gorevan, S. Mitrofanov, I. Fairbrother, D. A. Farrell, W. M.
Copyright Year	2003
Description	Montgolfiere balloons can provide a unique near-surface platform for an extended traverse over the polar regions of Mars. During the polar summer, such solar powered balloons would remain in the constant sun of the polar summer and could remain airborne for many weeks or even months as the atmospheric circulation would drive the balloons around the polar region many times before the balloon would cross the terminator. Such a platform for scientific measurements could provide in situ sampling of the atmosphere for trace disequilibrium species that might be indicators of present geological or biological activity in this region. It could furthermore provide high resolution imaging, deep electromagnetic (EM) sounding for subsurface stratigraphy and liquid water, and high spatial resolution neutron measurements of subsurface ice. Technologies for robust balloon deployment on entry and controlled encounters with the surface and near subsurface for sample acquisition in otherwise inaccessible regions are presently being studied and developed with support from NASA.
File Size	184242
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20040085647
Archival Resource Key	ark:/13960/t17m57d13
Language	English
Publisher Date	2003-01-01
Access Restriction	Open
Subject Keyword	Atmospheric Circulation Balloon-borne Instruments Stratosphere Summer Mars Surface Trace Elements Ice Sampling Polar Regions Balloons Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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