Search results
The Roche limit is not a sharp boundary; materials that are less dense or more porous can remain dispersed as a ring at the same location where denser material will accrete. Also, dense rings near the transition develop a microstructure as they try to accrete and are frustrated by tides (Section 4.1 ).
Roche Limit. In subject area: Physics and Astronomy. The Roche Limit is the minimum distance from a celestial body at which another body, such as a satellite or a star cluster, can orbit without being torn apart by tidal forces. AI generated definition based on: New Astronomy Reviews, 2021. About this page.
A simple estimate of the approximate bounds on the range of Roche Limits for breakup of an L chondrite asteroid at Earth (radius = 6,371,000 m; avg density = 5513 kg m-3) can be made by calculating the solid body Roche Limit using the density of L chondrites (3350 kg m-3), and the liquid body Roche Limit (approximating a cohesionless rubble ...
Jun 1, 1980 · Amalthea Assuming Amalthea's density to be 2.0 g/cm3, the relation between this small Jovian satellite and its Roche lobe, as depicted in Fig. 5, is topologically similar to that of Deimos. The format here is the same as that in Figs. 2, 3, and 4, except that the LIFE NEAR THE ROCHE LIMIT 431 Fic. 5. Zero-velocity curves for Amalthea.
Roche Lobe. In subject area: Physics and Astronomy. A Roche lobe is defined as a region of space around a celestial body where the gravitational forces between two objects determine the flow of matter between them, despite the misleading term 'lobe'. AI generated definition based on: New Astronomy Reviews, 2002. About this page.
May 1, 1974 · The plasmapause is the innermost equipotential surface tangent (near midnight) to the 'Roche-Limit' surface. The plasmaphere (shaded region I) is filled with nearly corotating thermal plasma held by the Earth's gravita- tional field. The shaded region III is the convection region of the magnetosphere, where any zero-energy particle will drift ...
Jan 1, 1972 · chapter. The Roche Model and Its Applications to Close Binary Systems ZDENÉK KOPAL Department of Astronomy University of Manchester Manchester, England I. Introduction II. Roche Equipotentials A. Fundamental Relations B. Radius and Volume C. Roche Limit D. Geometry of the Eclipses E. External Envelopes III.
May 1, 1974 · The plasmapause position is determined by the innermost equipotential surface which is tangent to the ‘Roche-Limit’ surface of the ionospheric plasma filling the magnetosphere. When the thermal particles corotate with the Earth's angular velocity, the ‘Roche-Limit’ equatorial distance is Lc =5.78 [RE]. When the angular convection ...
The Roche limit is not a sharp boundary; materials that are less dense or more porous can remain dispersed as a ring at the same location where denser material will accrete. Also, dense rings near the transition develop a microstructure as they try to accrete and are frustrated by tides (Section 4.1 ).
Jun 1, 1985 · The Roche limit for the case considered by Chandrasekhar was alternatively found by Kopal and SONG Guo-xuan [2] by means of the Roche coordinates. In this paper, I shall use the method of vibrational stability, developed by Kopal [3,4] to make a renewed discussion on this problem with the hope that a generalization to the case of non-uniform density can be effected.
