October 2016
The dwarf galaxy problem
...physics, limited optical surveys and starless ‘dark galaxies’ are some of the possibilities suggested to account...very interesting object indeed! Combing the Virgo Cluster The dark galaxy idea is particularly intriguing - and perhaps not as outlandish ...
07 June 2017
Rare, massive, starburst galaxies captured in detail by Hubble
... a phenomenon called gravitational lensing, which occurs when the intense gravity of a massive object such as a galaxy or cluster of galaxies bends and magnifies the light of fainter, more distant background sources. Utilising this natural magnifying...
29 March 2018
A see-through galaxy questions the need for dark matter
... component of the Universe – making up a whopping ~80 percent of its mass – and the invisible glue that holds galaxies and galaxy clusters together. Although it has never been directly observed, scientists are confident that this elusive material...
30 August 2018
Unstoppable monster galaxy puzzles and enlightens astronomers
... of the research paper published in the journal Nature. Starburst galaxies are called so because they churn out stars at a frenzied... at a moderate pace. In this way star formation in galaxies is self-regulating. But, in COSMOS-AzTEC-1, the pressure ...
24 May 2016
Astronomers find ultra diffuse galaxy heavy in dark matter
... matter content. "Globular clusters, made up of hundreds of thousands of stars, orbit within the gravitational field of the ultradiffuse galaxy," adds Aaron Romanowsky of San José State University (USA) one of the authors of the article. "The heavier...
17 February 2017
Researchers suggest a new natural law can explain the rotation of galaxies
...'s discovery that the tight correlation in the observed acceleration and gravitational acceleration existed in spiral and irregular galaxies, a team led by Case Western Reserve University, have extended their original data of 153 spiral and irregular...
