1. Observations and physics of prompt emission of gamma ray bursts

   • Shabnam Iyyani

   Review 03 December 2018 Article: 75

   

2. Interstellar communication: Short pulse duration limits of optical SETI

   • Michael Hippke

   OriginalPaper 30 November 2018 Article: 74

   

3. Interstellar communication: The colors of optical SETI

   • Michael Hippke

   OriginalPaper 30 November 2018 Article: 73

   

4. Lissajous motion near Lagrangian point \( L_{2} \) in radial solar sail

   • Arun Kumar Yadav
   • Badam Singh Kushvah
   • Uday Dolas

   OriginalPaper 28 November 2018 Article: 72

   

5. Editorial

   • Ram Sagar

   EditorialNotes 27 November 2018 Article: 71

6. A new technique for understanding magnetosphere–ionosphere coupling using directional derivatives of SuperDARN convection flow

   • S. N. M. Azizul Hoque
   • Frances Fenrich

   OriginalPaper 23 November 2018 Article: 70

   

7. Existence of wormhole solutions and energy conditions in f(R, T) gravity

   • M. Z. Bhatti
   • Z. Yousaf
   • M. Ilyas

   OriginalPaper 23 November 2018 Article: 69

   

8. Polarization and QPOs from jets in black hole systems

   • A. Mangalam

   OriginalPaper 23 November 2018 Article: 68

   

9. Effect of rotation and self-gravity on the propagation of MHD waves

   • Daniel Atnafu Chekole
   • Gebretsadikan Woldmhret Bahta

   OriginalPaper 22 November 2018 Article: 67

   

10. Application of Chebyshev collocation method for relocating of spacecrafts in Hill’s frame

    • Jai Kumar

    OriginalPaper 22 November 2018 Article: 66

    

11. Long-term ultraviolet variability of Seyfert galaxies

    • N. Sukanya
    • C. S. Stalin
    • R. Damle

    OriginalPaper 22 November 2018 Article: 65

    

12. Non-singular coordinates of some Kiselev space-times

    • S. M. Jawwad Riaz

    OriginalPaper 22 November 2018 Article: 64