Icebergs and Dark Matter

29 Apr 2013

At ... ten years ago many astronomers or particle physicists disagreed that dark matter was important but now, that has changed. The post is about comments made by R Kolb and M Turner, authors of The Early Universe, a book that has become a standard textbook for students of cosmology and physicists alike. In the Galaxy piece they outline the way they think of dark matter and dark energy. They think they are on the cusp of direct detection of the elusive particles involved in the hypothesis.

Meanwhile, at ... the inner core of the Earth, according to new calculations made by X-ray analysis of molten iron implies it is somewhat warmer than previously estimated, some 6000 degrees Celsius, rather than 5000 degrees (see also Billed as big science news one cannot think why it should bother your average citizen of the globe. Useful perhaps as a pub quizz question.