03 April 2018
Astronomers unexpectedly find the most distant star ever discovered
... lensed supernova explosion nicknamed “Refsdal” in the galaxy cluster MACS J1149-2223, when it unexpectedly picked...LS1 allows us to gather new insights into the constituents of the galaxy cluster. We know that the microlensing was caused by either a...
October 2019
Are we prepared for SETI discovery?
... similar to terrestrial planets all over the Milky Way galaxy, astrobiology started to develop methods to discover effects connected... recently, such observations were extended beyond our own galaxy. This enormous ‘big data’ collection made the search...
27 January 2017
Distant quasars help refine the rate of the expanding Universe
... – Edwin Hubble – who noticed in the 1920s, that galaxies farthest from Earth seemed to be moving faster. What he was... this bending of light is known as ‘gravitationally lensing’ and galaxies that are used to bend light from a distant object can ...
28 July 2015
Yale’s Jeffrey Kenny on cosmic wind in the NGC 4921 galaxy
...for a while. They can sweep interstellar material from a galaxy, thus preventing the formation of future stars. How such ...Astronomical Journal. The wind itself is a product of the galaxy’s orbital motion through hot gas in its cluster. Kenny has...
18 January 2016
Does a second black hole lurk near the centre of the Milky Way?
... tens or hundreds of solar masses at the centre of a galaxy grows by accretion of matter. Another idea is that that they...45-m Telescope and high-resolution observations of nearby galaxies using the Atacama Large Millimeter/submillimeter Array (ALMA...
03 May 2017
Milky Way dark matter still as elusive as ever
...need dark matter to understand the gamma-ray emissions of our galaxy," said Mattia Di Mauro from the Kavli Institute for Particle ... exists because it bends light from distant galaxies and affects how galaxies rotate. One potential way to spot dark...
