2014年1月3日 Science

nero1981

2014年1月3日 Science/ u( I9 t9 t" U  N" o4 x# q
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COVER Artist's conception of gamma-ray burst (GRB) 130427A, one of the / }/ h. m) J/ O! [
brightest and longest-lived GRBs observed to date. GRBs such as this one occur
0 n, z* f2 v/ [2 J2 K  ?4 o! |when the core of a massive star runs out of nuclear fuel, collapses, and forms a
$ `( m0 q" I+ l( F& ublack hole that drives a powerful jet of plasma traveling close to the speed of " c7 ?1 p! H' C9 R8 k( q1 g) c
light. See pages 34, 38, 42, 48, and 51. Image: / [9 n. F. R' Q# l, Z
NASA/Fermi and Sonoma State University/Aurore Simonnet
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