Sökning: "Jonathan Pritchard"

Hittade 1 avhandling innehållade orden Jonathan Pritchard.

1. 1. Simulations of Cosmic Reionization : Shapes & Sizes of H II regions around Galaxies and Quasars

   Författare :Martina M. Friedrich; Garrelt Mellema; Jonathan Pritchard; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Astronomy; astronomi;

   Sammanfattning : After the era of recombination, roughly 360 000 years after the big bang (redshift 1100), the universe was neutral, continued to expand and eventually the first gravitationally collapsed structures capable of forming stars, formed. Observations show that approximately 1 billion years later (redshift 6), the Universe had become highly ionized. LÄS MER