07 September 2015
Catching up with dark matter and dark energy: James Bullock, XENON100, and ‘chameleon fields’
... currently. For one thing, physicist James Bullock is challenging some of the standard assumptions surrounding dark matter. In a nutshell, he suggests that dark matter may be complex, and self-interacting. You can read his full interview with QUANTA...
March 2018
Mapping the dark universe
... mission will produce Euclid will be ESA’s next cosmology mission in the quest for a better understanding of dark energy, dark matter and gravity and their role in the past and future evolution of our universe. The operations ground...
03 April 2018
Astronomers unexpectedly find the most distant star ever discovered
... have been a lensing object for LS1 make up a high fraction of dark matter, however, after analysing the light from LS1 the team state that their ... than ever before and more insight as to the nature of dark matter could also be subsequently revealed.
October 2016
The dwarf galaxy problem
... observe its gravitational effects. Many of the simulations are ‘dark matter only’, so each galaxy is represented by its dark matter halo alone. The dwarfs are then represented by ‘sub-halos’ of dark matter, and each halo has many sub-halos. Perhaps...
17 February 2017
Researchers suggest a new natural law can explain the rotation of galaxies
.... So does this new data help confirm the existence of dark matter or does it dismiss it? ”Within the standard dark-matter paradigm, this law implies that the visible matter and the dark matter must be tightly coupled in galaxies at a local level and...
September 2017
Telescope targets enigmatic deep space mystery
...For one thing, scientists have a problem with matter; it is known that 95 percent of the Universe is composed of dark energy and dark matter and only around five percent is ‘baryonic matter’ or normal matter, since its constituents are atoms. Baryons...
