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272 results on '"Reinert, R."'

46. Exploring Asteroid Interiors: The Deep Interior Mission Concept

Author

Asphaug, E, Belton, M. J. S, Cangahuala, A, Keith, L, Klaasen, K, McFadden, L, Neumann, G, Ostro, S. J, Reinert, R, and Safaeinili, A

Subjects
Lunar And Planetary Science And Exploration
Abstract

Deep Interior is a mission to determine the geophysical properties of near-Earth objects, including the first volumetric image of the interior of an asteroid. Radio reflection tomography will image the 3D distribution of complex dielectric properties within the ~1 km rendezvous target and hence map structural, density or compositional variations. Laser altimetry and visible imaging will provide high-resolution surface topography. Smart surface pods culminating in blast experiments, imaged by the high frame rate camera and scanned by lidar, will characterize active mechanical behavior and structure of surface materials, expose unweathered surface for NIR analysis, and may enable some characterization of bulk seismic response. Multiple flybys en route to this target will characterize a diversity of asteroids, probing their interiors with non-tomographic radar reflectance experiments. Deep Interior is a natural follow-up to the NEARShoemaker mission and will provide essential guidance for future in situ asteroid and comet exploration. While our goal is to learn the interior geology of small bodies and how their surfaces behave, the resulting science will enable pragmatic technologies required of hazard mitigation and resource utilization.

Published
2003

48. Significant Science at Jupiter Using Solar Power

Author

Reitsema, H. J, Smith, E. J, Spilker, T, and Reinert, R

Subjects
Lunar And Planetary Science And Exploration
Abstract

Missions to the Outer Planets are challenging for a number of reasons, primary of which is the low output of solar arrays at large heliocentric distances. The INSIDE Jupiter mission is a Discovery concept for a science investigation at Jupiter that is capable of producing major studies of the Jovian internal structure and ionospheric-magnetospheric coupling. Additional information is contained in the original extended abstract.

Published
2001

49. Odyssey Comet Nucleus Orbiter: The Next Step in Cometary Exploration

Author

Weissman, P. R, Nilsen, E. N, Smythe, W. D, Marriott, J, and Reinert, R

Subjects
Lunar And Planetary Science And Exploration
Abstract

Cometary nuclei are the most primitive bodies in the solar system, containing a cosmo-chemical record of the primordial solar nebula. Flyby missions to comets, such as those that encountered Comet Halley in 1986, provide a glimpse at this record. However, to study a cometary nucleus in detail requires a rendezvous mission, i.e., a nucleus orbiter. Only an orbiter provides the ability to map the entire nucleus surface at high resolution, to study the complex chemistry in the cometary coma and its variation with time, and to determine the mass and bulk density of the nucleus, key parameters in understanding how small bodies first formed in the solar nebula. A nucleus orbiter also provides the opportunity to sense the nucleus surface in preparation for more ambitious landing and sample return missions in the future. Additional information is contained in the original extended abstract.

Published
2001

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