Astronomy Department, Faculty of Science, Cairo University, Cairo, Egypt - Articles

The Solution of Optimal Two-Impulse Transfer between Elliptical Orbits with Plane Change (Articles)

M. H. A. Youssef

International Journal of Astronomy and Astrophysics Vol.7 No.3，July 20, 2017

DOI: 10.4236/ijaa.2017.73010 1,688 Downloads 5,445 Views Citations
Numerical Studies of Resonance and Secular Effects of Gravitational Waves (Articles)

M. H. A. Youssef

World Journal of Mechanics Vol.8 No.5，May 16, 2018

DOI: 10.4236/wjm.2018.85013 738 Downloads 1,623 Views Citations
Short-Period and Long-Period Effects of Weak Gravitational Waves (Articles)

M. H. A. Youssef

International Journal of Astronomy and Astrophysics Vol.7 No.3，September 28, 2017

DOI: 10.4236/ijaa.2017.73019 949 Downloads 1,693 Views Citations
Solar Radiation Pressure and Gravitational Waves Effects on Sun-Synchronous Orbits (Articles)

M. H. A. Youssef

World Journal of Mechanics Vol.8 No.2，February 12, 2018

DOI: 10.4236/wjm.2018.82002 869 Downloads 1,985 Views Citations
This article belongs to the Special Issue on Celestial Mechanics
Secular Effect of Geomagnetic Field and Gravitational Waves on Earth’s Satellite Orbits (Articles)

M. H. A. Youssef

Journal of Applied Mathematics and Physics Vol.7 No.8，August 13, 2019

DOI: 10.4236/jamp.2019.78116 537 Downloads 1,331 Views Citations
Solar Radiation Pressure Effects on Stability of Periodic Orbits in Restricted Four-Body Problem (Articles)

M. N. Ismail, A. H. Ibrahim, A. S. Zaghrout, S. H. Younis, F. S. Elmalky, L. E. Elmasry

World Journal of Mechanics Vol.9 No.8，August 30, 2019

DOI: 10.4236/wjm.2019.98013 620 Downloads 1,619 Views Citations
New Generating Sets of the First Order Lane-Emden Differential Equations in N-Dimensional Radially Symmetric Polytropes (Articles)

M. A. Sharaf, A. S. Saad

Applied Mathematics Vol.4 No.4，April 26, 2013

DOI: 10.4236/am.2013.44090 4,807 Downloads 6,629 Views Citations
Integrated Geophysical Investigations to Detect the Shallow Subsurface Settings at New Sohag City, Egypt (Articles)

Hany Mesbah, Mohammed Shokry, Mamdouh Soliman, Magdy Atya

International Journal of Geosciences Vol.8 No.3，March 31, 2017

DOI: 10.4236/ijg.2017.83019 2,040 Downloads 3,831 Views Citations
Invariant Relative Orbits Taking into Account Third-Body Perturbation (Articles)

Walid Ali Rahoma, Gilles Metris

Applied Mathematics Vol.3 No.2，February 23, 2012

DOI: 10.4236/am.2012.32018 5,110 Downloads 8,917 Views Citations
Eliminating Black Holes Singularity in Brane World Cosmology (Articles)

Poula Tadros, Mohamed Assaad Abdel-Raouf

Journal of High Energy Physics, Gravitation and Cosmology Vol.8 No.2，March 15, 2022

DOI: 10.4236/jhepgc.2022.82020 166 Downloads 963 Views Citations
Trials to Resolve Black Holes Instabilities in Brane World Cosmology Models (Articles)

Poula Tadros, Mohamed Assaad Abdel-Raouf

Journal of High Energy Physics, Gravitation and Cosmology Vol.9 No.2，April 4, 2023

DOI: 10.4236/jhepgc.2023.92029 131 Downloads 554 Views Citations
Recurrence of Space-Time Events (Articles)

Nasr Ahmed

Journal of Modern Physics Vol.6 No.13，October 19, 2015

DOI: 10.4236/jmp.2015.613182 4,788 Downloads 5,991 Views Citations
Appliance of Geophysical Methods to Detect the Ancient Remains at “Tell Defenneh” Area, Ismailia, Egypt (Articles)

Alhussein Adham Basheer, Ahmed El-Kotb Al-Imam, Abdelnasser Mohammed Abdelmotaal, Mostafa Sarhan Toni, Sayed Omar Elkhateeb

Archaeological Discovery Vol.2 No.3，July 23, 2014

DOI: 10.4236/ad.2014.23009 3,236 Downloads 4,933 Views Citations
Relevance of AEM and TEM to Detect the Groundwater Aquifer at Faiyum Oasis Area, Faiyum, Egypt (Articles)

A. A. Basheer, A. I. Taha, A. El-Kotb, F. A. Abdalla, S. O. Elkhateeb

International Journal of Geosciences Vol.5 No.6，May 16, 2014

DOI: 10.4236/ijg.2014.56056 4,513 Downloads 6,591 Views Citations
Derivation the Schemes of Lateral and Vertical Dispersion Parameters: Application in Gaussian Plume Model (Articles)

Mohamed M. Abdel-Wahab, Khaled S. M. Essa, Mokhtar Embaby, Sawsan E. M. Elsaid

Open Journal of Air Pollution Vol.2 No.1，March 26, 2013

DOI: 10.4236/ojap.2013.21003 4,559 Downloads 8,982 Views Citations
Shallow Seismic Refraction, Two-Dimensional Electrical Resistivity Imaging, and Ground Penetrating Radar for Imaging the Ancient Monuments at the Western Shore of Old Luxor City, Egypt (Articles)

Elsayed I. Selim, Alhussein A. Basheer, Gad Elqady, Mahfooz A. Hafez

Archaeological Discovery Vol.2 No.2，April 9, 2014

DOI: 10.4236/ad.2014.22005 5,953 Downloads 10,615 Views Citations
Probing Nucleon Structure in Deep Inelastic Scattering (Articles)

Mohammed Sultan Al-Buriahi, Mohammed Tarek Hussein, Mohammed Tawfik Ghoneim

Journal of Applied Mathematics and Physics Vol.3 No.5，May 29, 2015

DOI: 10.4236/jamp.2015.35073 5,115 Downloads 5,824 Views Citations
Signs of Phase Transition in High Energy Proton-Proton Collisions (Articles)

Mohamed Tarek Hussein, Mohamed Tawfik Ghoneim, Zeinab Abdel-Halim

Journal of Applied Mathematics and Physics Vol.10 No.6，June 24, 2022

DOI: 10.4236/jamp.2022.106129 170 Downloads 702 Views Citations
Interaction of ²⁸Si with Emulsion Nuclei at 4.5 AGeV/c in View of Thermo-Statistical Approach (Articles)

Mohamed Tawfik Ghoneim, Zeinab Abdel-Halim, Mohamed Tarek Hussein

Journal of Applied Mathematics and Physics Vol.11 No.3，March 10, 2023

DOI: 10.4236/jamp.2023.113040 119 Downloads 458 Views Citations
Proton-Proton Collisions in View of Thermo-Statistical Approach (Articles)

Mohamed Tarek Hussein, Zeinab Abdel-Halim, Mohamed Tawfik Ghoneim

Journal of High Energy Physics, Gravitation and Cosmology Vol.9 No.2，April 7, 2023

DOI: 10.4236/jhepgc.2023.92036 137 Downloads 554 Views Citations

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