scholarly journals Appendix: Final Update of the IAU Division A Commission 4 Working Group on Standardizing Access to Ephemerides and File Format Specification

2015 ◽  
Vol 11 (T29A) ◽  
pp. 22-23
Author(s):  
James L. Hilton ◽  
Charles Acton ◽  
Jean-Eudes Arlot ◽  
Steven A. Bell ◽  
Nicole Capitaine ◽  
...  
Keyword(s):  
Solar System ◽  
Working Group ◽  
Web Site ◽  
Full Description ◽  
Final Report ◽  
File Format ◽  
Jet Propulsion ◽  
Solar System Bodies ◽  
Ancillary Information ◽  
Jet Propulsion Laboratory

AbstractThe IAU Commission 4 Working Group on Standardizing Access to Ephemerides recommends the use of the Spacecraft and Planet Kernel (SPK) format to provide a uniform format for the position ephemerides of planets and other natural solar system bodies, and the use of the Planetary Constants Kernel (PCK) for the orientation of these bodies. These formats are used by the SPICE system, developed by the Navigation and Ancillary Information Facility of NASA's Jet Propulsion Laboratory. The working group's final report is currently undergoing final preparations for publication. A long version of this report will be available at the IAU Commission 4: Ephemerides (or its successor) web site. This long version will contain a full description of that portion of the SPK and PCK formats required to duplicate these file types for this application.

scholarly journals DIVISION I-III / WORKING GROUP CARTOGRAPHIC COORDINATES AND ROTATIONAL ELEMENTS

2008 ◽  
Vol 4 (T27A) ◽  
pp. 68-68 ◽  
Author(s):  
Brent A. Archinal ◽  
P. Kenneth Seidelmann ◽  
Michael F. A'Hearn ◽  
Edward L. Bowell ◽  
Albert R. Conrad ◽  
...  
Keyword(s):  
Solar System ◽  
Working Group ◽  
Business Meeting ◽  
Division I ◽  
General Assembly ◽  
Cartographic Coordinates ◽  
Solar System Bodies

The IAU/IAG Working Group on Cartographic Coordinates & Rotational Elements published its (2006) triennial report containing current recommendations for models for solar system bodies (Seidelmann et al. 2007). P. Kenneth Seidelmann stepped down as chairperson and B. A. Archinal was elected chairperson at the Working Group business meeting that took place at the IAU XXVI General Assembly in Prague in 2006.

Abandon in Place

2020 ◽  
pp. 88-94
Author(s):  
Jonathan R. Eller
Keyword(s):  
Solar System ◽  
Outer Solar System ◽  
Jet Propulsion ◽  
Voyager 2 ◽  
Returning Home ◽  
Animated Film ◽  
Jet Propulsion Laboratory ◽  
To Come ◽  
The Mind

After returning home from Europe in 1978, Bradbury was unable to come to agreement with the Smithsonian over “The Ghosts of Forever,” an animated film fantasy tour of the various Smithsonian museums. Chapter 12 goes on to document how the Voyager 1 and Voyager 2 journeys to the outer solar system prompted NASA’s Jet Propulsion Laboratory at Caltech to bring Bradbury back together with his “Mars and the Mind of Man” colleagues Arthur C. Clarke, Carl Sagan, and JPL director Bruce Murray to form the symposium “Jupiter and the Mind of Man.” The chapter also describes the uneven production and mixed reception of the NBC miniseries of The Martian Chronicles, and Bradbury’s Emmy-winning ABC collaboration with Malcolm Clarke on “Infinite Horizons: Space Beyond Apollo.”

scholarly journals DIVISION III / WORKING GROUP PLANETARY SYSTEM NOMENCLATURE

2008 ◽  
Vol 4 (T27A) ◽  
pp. 190-191
Author(s):  
Rita M. Schulz ◽  
Kaare Aksnes ◽  
Jennifer S. Blue ◽  
Jürgen Blunck ◽  
Edward L. G. Bowell ◽  
...  
Keyword(s):  
Solar System ◽  
Working Group ◽  
Planetary System ◽  
Division Iii ◽  
Surface Features ◽  
Solar System Bodies ◽  
Natural Satellites

The Working Group on Planetary System Nomenclature (WG-PSN) develops, maintains and publishes guidelines for naming natural satellites of planets and surface features on all solar system bodies except Earth. When required the WG approves lists of new nomenclature, with accompanying explanatory notes, based on the established guidelines. Approved names are immediately added into the Gazetteer of Planetary Nomenclature. Objections based on significant, substantive problems may be submitted within a 3-months period, and will be ruled on by Division III.

Spectropolarimetric device for overatmospheric investigations of Solar system bodies

2008 ◽  
Vol 14 (2) ◽  
pp. 56-67
Author(s):  
Ya.S. Yatskiv ◽  
◽  
A.P. Vidmachenko ◽  
O.V. Morozhenko ◽  
M.G. Sosonkin ◽  
...  
Keyword(s):  
Solar System ◽  
Solar System Bodies

Sodiummetal chloride battery research at the Jet Propulsion Laboratory (JPL)

1991 ◽  
Vol 36 (3) ◽  
pp. 385-394 ◽  
Author(s):  
B.V. Ratnakumar ◽  
A.I. Attia ◽  
G. Halpert
Keyword(s):  
Metal Chloride ◽  
Jet Propulsion ◽  
Sodium Metal ◽  
Jet Propulsion Laboratory

scholarly journals Organic matter and water from asteroid Itokawa

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Q. H. S. Chan ◽  
A. Stephant ◽  
I. A. Franchi ◽  
X. Zhao ◽  
R. Brunetto ◽  
...  
Keyword(s):  
Organic Matter ◽  
Solar System ◽  
Parent Body ◽  
Asteroid Belt ◽  
True Nature ◽  
Water Ice ◽  
Nanocrystalline Graphite ◽  
Terrestrial Water ◽  
Solar System Bodies ◽  
Small Dust

AbstractUnderstanding the true nature of extra-terrestrial water and organic matter that were present at the birth of our solar system, and their subsequent evolution, necessitates the study of pristine astromaterials. In this study, we have studied both the water and organic contents from a dust particle recovered from the surface of near-Earth asteroid 25143 Itokawa by the Hayabusa mission, which was the first mission that brought pristine asteroidal materials to Earth’s astromaterial collection. The organic matter is presented as both nanocrystalline graphite and disordered polyaromatic carbon with high D/H and 15N/14N ratios (δD =  + 4868 ± 2288‰; δ15N =  + 344 ± 20‰) signifying an explicit extra-terrestrial origin. The contrasting organic feature (graphitic and disordered) substantiates the rubble-pile asteroid model of Itokawa, and offers support for material mixing in the asteroid belt that occurred in scales from small dust infall to catastrophic impacts of large asteroidal parent bodies. Our analysis of Itokawa water indicates that the asteroid has incorporated D-poor water ice at the abundance on par with inner solar system bodies. The asteroid was metamorphosed and dehydrated on the formerly large asteroid, and was subsequently evolved via late-stage hydration, modified by D-enriched exogenous organics and water derived from a carbonaceous parent body.

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