Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 330
Book Description
CNSR
Author: CNSR
Author: CNSR, Comet Nucleus Sample Return
Author: A. AtzeiComet Nucleus Sample Return
Author: C. EtienneRosetta/CNSR Comet Nucleus Sample Return
Author: A. AtzeiROSETTA/CNSR
Author: A. AtzeiRosetta/CNSR, a Comet-Nucleus Sample-Return Mission
Author: G. SchwehmPublisher:
ISBN: 9789290920724
Category : Comets
Languages : en
Pages : 189
Book Description
Comet Nucleus and Asteroid Sample Return Missions
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781723541261
Category :
Languages : en
Pages : 326
Book Description
Three Advanced Design Projects have been completed this academic year at Penn State. At the beginning of the fall semester the students were organized into eight groups and given their choice of either a comet nucleus or an asteroid sample return mission. Once a mission had been chosen, the students developed conceptual designs. These were evaluated at the end of the fall semester and combined into three separate mission plans, including a comet nucleus same return (CNSR), a single asteroid sample return (SASR), and a multiple asteroid sample return (MASR). To facilitate the work required for each mission, the class was reorganized in the spring semester by combining groups to form three mission teams. An integration team consisting of two members from each group was formed for each mission so that communication and information exchange would be easier among the groups. The types of projects designed by the students evolved from numerous discussions with Penn State faculty and mission planners at the Johnson Space Center Human/Robotic Spacecraft Office. Robotic sample return missions are widely considered valuable precursors to manned missions in that they can provide details about a site's environment and scientific value. For example, a sample return from an asteroid might reveal valuable resources that, once mined, could be utilized for propulsion. These missions are also more adaptable when considering the risk to humans visiting unknown and potentially dangerous locations, such as a comet nucleus. Unspecified Center NASA-CR-192055, NAS 1.26:192055 NASW-4435...
Analysis of Returned Comet Nucleus Samples
Author: Publisher:
ISBN:
Category : Comets
Languages : en
Pages : 538
Book Description
The abstracts deal with the nature of cometary ices, cryogenic handling and sampling equipment, origin and composition of samples, and spectroscopic, thermal and chemical processing methods of cometary nuclei. Laboratory simulation experimental results on dust samples are reported. Some results obtained from Halley's comet are also included. Microanalytic techniques for examining trace elements of cometary particles, synchrotron x ray fluorescence and instrument neutron activation analysis (INAA), are presented.
Author: