ESTREMO: Extreme phySics in the TRansient and Evolving COsmos
  We present a mission designed for the study of transient phenomena in the high energy sky, through a wide field X-ray/hard X-ray monitor, and fast (< 1 min) follow up observations with Narrow Field Instrumentation. This is based on an X-ray telescope with an area of 1000 cm2, equipped with high-resolution spectroscopy microcalorimeters and X-ray polarimeter. The performances of the mission on the physics of GRB and their use as cosmological probes are presented and discussed. 
Enrico Costa and Luigi Piro (on behalf of the ESTREMO collaboration,   Istituto Astrofisica Spaziale e Fisica Cosmica - Rome...