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Articles 211 - 240 of 318
Full-Text Articles in Astrophysics and Astronomy
Realistic Orbits About The Martian Moons, Samuel R. Bryant
Realistic Orbits About The Martian Moons, Samuel R. Bryant
Theses and Dissertations
Orbits about the Martian moons, Phobos and Deimos, previously found to be stable by the Poincare surface of section technique in a restricted three- body system, were investigated with non-zero eccentricity of the moons added to the dynamics of the planar four-body system (Mars, moon sun, artificial satellite). Although not strictly applicable to this case, the surface of section technique was used to verify whether or not the previously found stable orbits were realistic when a real world perturbation was added to the system dynamics. The surface of section technique involves the numerical integration of several orbits with the same …
Analysis Of Periodic Orbits About The Martian Moons By Continuation Techniques, Frank Luria
Analysis Of Periodic Orbits About The Martian Moons By Continuation Techniques, Frank Luria
Theses and Dissertations
From a few known periodic orbits of Phobos and Deimos, continuation techniques were used to find entire families of stable orbits. These techniques involved varying a parameter, the Hamiltonian, of the system and analyzing how the orbital behavior changed with the parameter. Floquet multipliers, for stability analysis, were also computed. AUTO86, a continuation/bifurcation software package, was used in this study. Artificial energy dissipation had to be added to the conservative Hamiltonian system to enable use of AUTO.
West Mountain Observatory: Planning And Construction Pictorial History, Gene Libutti
West Mountain Observatory: Planning And Construction Pictorial History, Gene Libutti
BYU West Mountain Observatory Project
No abstract provided.
Influence Of Nonequilibrium Radiation And Shape Change On The Flowfield Of A Jupiter Probe With Ablation And Mass Injection, Sundaresa Venkata Subramanian
Influence Of Nonequilibrium Radiation And Shape Change On The Flowfield Of A Jupiter Probe With Ablation And Mass Injection, Sundaresa Venkata Subramanian
Mechanical & Aerospace Engineering Theses & Dissertations
The influence of nonequilibrium radiative energy transfer and the effect of probe configuration changes on the flow phenomena around a Jovian entry body is investigated. The radiating shock-layer flow is assumed to be axisymmetric, viscous, laminar and in chemical equilibrium. The radiative transfer equations are derived under nonequilibrium conditions which include multi-level energy transitions. The equilibrium radiative transfer is calculated with an existing nongray radiation model which accounts for molecular band, atomic line and continuum transitions. The nonequilibrium results are obtained with and without ablation injection in the shock layer. The nonequilibrium results are found to be influenced greatly by …
Program For New Observatory Facility For Brigham Young University, Provo, Utah, Byu Department Of Physics And Astronomy
Program For New Observatory Facility For Brigham Young University, Provo, Utah, Byu Department Of Physics And Astronomy
BYU West Mountain Observatory Project
No abstract provided.
Nasa News, Space Enterprises, Inc.
The Weightless Man, Herbert D. Stallings, Siegfried J. Gerathewohl
The Weightless Man, Herbert D. Stallings, Siegfried J. Gerathewohl
Space Journal
No abstract provided.
Front Matter, Space Enterprises, Inc.
Free Information, Space Enterprises, Inc.
Meteorites, Space Enterprises, Inc.
Space Focus, Space Enterprises, Inc.
Editorial, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal
No abstract provided.
Washington Report, Space Enterprises, Inc.
Roy Marquart, The Ramjet Man, Lois Philmus
A Search For The Space Man's Food, Robert G. Tischer
A Search For The Space Man's Food, Robert G. Tischer
Space Journal
No abstract provided.
Primitive Fear, John Hulley
Atlas Missile, Space Enterprises, Inc.
New Products, Space Enterprises, Inc.
Reaction-Letters, Space Enterprises, Inc.
Space And The Law, Menachem Sheffy
Books, Space Enterprises, Inc.
Back Matter, Space Enterprises, Inc.
Information Free/Men Of Science, Space Enterprises, Inc.
Information Free/Men Of Science, Space Enterprises, Inc.
Space Journal
No abstract provided.
Futureman, Norm Lynott
Space Books, Space Enterprises, Inc.
Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine
Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine
Space Journal
No abstract provided.
Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc.
Space Journal
No abstract provided.
Space Exploration And The Value Of Man, Donald N. Michael
Space Exploration And The Value Of Man, Donald N. Michael
Space Journal
No abstract provided.
Does The Moon Possess A Magnetic Field?, Zdenek Kopal
Does The Moon Possess A Magnetic Field?, Zdenek Kopal
Space Journal
No abstract provided.