Physorg: Evidence of an intense warming period in the Universe’s early history, described as a form of “cosmic climate change”, has been found by an international team of astronomers. The findings, shortly to be published in the Monthly Notices of the Royal Astronomical Society, were made by researchersmeasuring the temperature of gas that lies in between galaxies. They found a clear indication that the temperature of this ‘intergalactic medium’ had increased steadily between theperiod when the Universe…