Documents 1 Gamma-Ray Bursts: Early afterglows, X-ray flares, and GRB cosmology Zigao Dai Nanjing University.

Slide 1 1 Gamma-Ray Bursts: Early afterglows, X-ray flares, and GRB cosmology Zigao Dai Nanjing University Slide 2 2 Outline Shallow decay of X-ray afterglows  Observations…