International Journal of Astronomy and Astrophysics (IJAA) is an international scientific journal dedicated to the publication and public discussion of high quality original research in all the fields of astrophysics and space sciences and related technology. All the manuscripts must be prepared in English and are subject to a rigorous and fair peer-review process. Generally, accepted papers will appear online within 3 weeks followed by printed hard copy.The journal publishes original papers including but not limited to the following fields:· Astrogeodynamics · Astrophysics · Cosmic Rays and Gamma Astronomy · Dynamics of Celestial Bodies in the Solar System and Artificial Bodies · Extrasolar Planets · Formation and Evolution of Galaxies and Their Clusters · Formation and Evolution of Stars · Heliospheric Physics · High-Energy and Cataclysmic Processes in Astrophysics · Interstellar Matter · Interstellar Medium: Star Formation Regions · Kinematics and Structure of the Galaxy · Large-Scale Structure of Universe Formation and Evolution of Galaxies · Last stages of Stellar Evolution and Chemical Evolution of the Galaxy · Magnetospheric Physics · Microquasars and High-Energy Astrophysics · Neutron Astronomy · New Astronomical Techniques and Methods