• Distances Scale Determination for a Planetary Nebula in Galactic Bulge ()
  Sundus A. Abdullah, Nathera A. Ali, Mohamed A. Sallih
  International Journal of Astronomy and Astrophysics Vol.3 No.2,  May 31, 2013
  DOI: 10.4236/ijaa.2013.32008  3,112 Downloads   5,593 Views   Citations
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• Possible Signs of Life on the Planet Venus ()
  Leonid V. Ksanfomality
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31007  11,608 Downloads   21,573 Views   Citations
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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
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31006  4,457 Downloads   7,596 Views   Citations
  This article belongs to the Special Issue on

• High Energy Studies on the Non-Thermal Emissions from Cassiopeia A & Tycho ()
  Mustafa Bozkurt, Tulun Ergin, Murat Hudaverdi, Enise Nihal Ercan
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31005  3,899 Downloads   7,279 Views   Citations
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• Approximate Kepler’s Elliptic Orbits with the Relativistic Effects ()
  Leilei Jia
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31004  5,882 Downloads   11,102 Views   Citations
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• A Synthesis of Fundamental Parameters of Spiral Arms, Based on Recent Observations in the Milky Way ()
  Jacques P. Vallée
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31003  5,480 Downloads   10,190 Views   Citations
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• Riemannian Space-Time, de Donder Conditions and Gravitational Field in Flat Space-Time ()
  Gordon Liu
  International Journal of Astronomy and Astrophysics Vol.3 No.1,  March 29, 2013
  DOI: 10.4236/ijaa.2013.31002  5,731 Downloads   10,369 Views   Citations
  This article belongs to the Special Issue on