NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
A continuing controversy: Has the cometary nucleus been resolved?Evidence is presented for classifying cometary nuclei into two basic types, described by core mantle and coreless models. Mass loss related nongravitational effects in a comet's motion as a function of time are included in considering gradual evaporation of an icy envelope surrounding the meteoric matrix in the core of the nucleus.
Document ID
19760013988
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Sekanina, Z.
(Smithsonian Astrophysical Observatory Cambridge, MA, United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1976
Publication Information
Publication: NASA. Goddard Space Flight Center The Study of Comets, Part 2
Subject Category
Astrophysics
Accession Number
76N21076
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
No Preview Available