30 April 2021
Scientists identify 14 stars that could be made of antimatter
...between antimatter and matter particles occur they produce gamma rays with a specific type of energy. If normal ...accrete onto any potential antistars. Without a strong gamma-ray signature showcasing their whereabouts, these far-out antistars would...
04 June 2018
More surprises for neutron star merger GW170817
... creation of a massive neutron star. However, the newly analysed data has revealed the opposite – a distinct lack of X-rays – which therefore implies that the merged object is in fact a black hole. “We may have answered one of the...
February 2017
Global robotic network for monitoring near-Earth and outer space
... of some of the brightest emissions in the Universe – gamma-ray bursts (GRBs). By analysing the light from a number of ...occurs when two neutron stars merge. Identified by a short gamma ray burst lasting just one-tenth of a second, and shining 1000...
02 October 2018
New technique could provide fresh insights into how the Moon was formed
...primordial volcanic systems. So, in addition to rock dating, researchers have turned to a novel imaging technique that involves bouncing X-rays off a common green mineral – olivine – found in the Moon rock samples to study them in greater detail than...
20 September 2017
A new way to 'weigh' extragalactic black holes
... set about studying the changes to the spectra of the X-ray flare as it increased in luminosity over time. By noting that...at prominent peaks in the spectral energy distribution of the X-ray flare (which gave an indication to the processes that were ...
30 November 2018
All of the starlight ever produced calculated by scientists
...at a given time in the history of the Universe. "Gamma-ray photons traveling through a fog of starlight have a large probability of...location of 739 blazars used in the Fermi Gamma-ray Space Telescope’s measurement of the extragalactic background light...
