Volume 3, Number 1, March 2013 (Special Issue on )

Cover Page, Table of Contents and Others: PDF (size: 14KB)

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Wave Optics and Image Formation in Gravitational Lensing

Yasusada Nambu

Abstract | References PDF (398KB), PP. 1-7, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31001, Downloads: 269 Google Scholar

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Riemannian Space-Time, de Donder Conditions and Gravitational Field in Flat Space-Time

Gordon Liu

Abstract | References PDF (245KB), PP. 8-19, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31002, Downloads: 236 Google Scholar

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A Synthesis of Fundamental Parameters of Spiral Arms, Based on Recent Observations in the Milky Way

Jacques P. Vallée

Abstract | References PDF (357KB), PP. 20-28, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31003, Downloads: 294 Google Scholar

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Approximate Kepler’s Elliptic Orbits with the Relativistic Effects

Leilei Jia

Abstract | References PDF (247KB), PP. 29-33, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31004, Downloads: 468 Google Scholar

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High Energy Studies on the Non-Thermal Emissions from Cassiopeia A & Tycho

Mustafa Bozkurt, Tulun Ergin, Murat Hudaverdi, Enise Nihal Ercan

Abstract | References PDF (2064KB), PP. 34-48, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31005, Downloads: 208 Google Scholar

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Change in Energy of Non-Spinning Black Holes w.r.t. the Change in Mass

Dipo Mahto, Rama Nand Mehta, Neeraj Pant, Raj Kumar Sah

Abstract | References PDF (144KB), PP. 49-56, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31006, Downloads: 142 Google Scholar

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Possible Signs of Life on the Planet Venus

Leonid V. Ksanfomality

Abstract | References PDF (3725KB), PP. 57-79, Pub. Date: March 29, 2013

DOI: 10.4236/ijaa.2013.31007, Downloads: 489 Google Scholar