An article published in the journal “Nature” describes the discovery of the missing ordinary matter in the universe. A team of researchers led by Fabrizio Nicastro of INAF, Rome, Italy, discovered what is technically called baryonic matter after having searched it for almost twenty years using ESA’s XMM-Newton space telescope keeping under observation the quasar 1ES 1553+113 up to find the traces of the baryons hidden in the hot gas present among the galaxies.
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An article published in the journal “Nature Astronomy” describes the discovery of the best candidate found so far for a type of black hole that’s been elusive for a long time. A team led by Dacheng Lin of the University of New Hampshire’s Space Science Center used observations from a number of telescopes to detect flares at various wavelengths emitted in the area near an intermediate-mass black hole while destroying a nearby star in what is called the tidal disruption event.
An article published in the journal “Journal of Geophysical Research: Planets” describes a research on the Medusae Fossae Formation on Mars. A team of researchers coordinated by the Johns Hopkins University analyzed this geological formation finding its possible origin in explosive volcanic eruptions that over three billion years ago ejected ash, rock and gas. It could add important information about Mars interior and its past.
A ceremony held at CERN with the laying of the first stone marked the beginning of the works for the High Luminosity LHC – HiLumi LHC or simply HL-LHC – the project to strengthen LHC (Large Hadron Collider), the largest particle accelerator in the world. By 2026, the performance of the LHC will be greatly enhanced allowing to increase the number of collisions in the large experiments to be able to investigate even further the limits of physics phenomena.
An article published in the journal “Science” describes the discovery of a star destroyed by a supermassive black hole in what in jargon is called a tidal disruption event. A team of astronomers used various telescopes searching for supernovae in Arp 299, an object generated by two merging galaxies, but in one case they came to realize that the phenomenon in progress was not an explosion but the destruction of the star under observation.