We report the optical observations of GRB 121011 A by the 0.8m TNT facility at Xinglong observatory, China. The light curve of the optical afterglow shows a smo
We investigate the problem of static and spherically symmetric solutions in the Starobinsky gravity model.By extending the Lichnerowicz and Israel theorems, Wil
We investigate the color gradients of galaxies at 0.5<z <1.0,using a sample of -35000 galaxies with both spectroscopy from the final data release of the VIMOS P