The very small braking index of PSR J1734–3333,n=0.9±0.2,challenges the current theories of braking mechanisms in pulsars.We present a possible interpreta
We study the newly discovered variable star GSC 4560–02157. CCD photometry was performed in 2013–2014 at the Tien Shan Astronomical Observatory,and a spectrum
Recently,some studies showed that the GeV gamma-ray excess signal from the central Milky Way can be explained by the annihilation of ~ 40 GeV dark matter throug