26 June 2020
Giant ‘Exotica’ catalogue boosts search for alien life
...cycle, galaxies big and small, serene star clusters and blazing quasars, and more are all included in the list. 2) Superlatives:...with unusually high or low metal content, the most distant quasar and fastest-spinning pulsar, and the densest galaxy. 3) ...
07 December 2020
New Gaia data measures Solar System's acceleration
... to spot these motions of nearby stars. Instead, a team from Dresden University of Technology, Germany, used the movements of quasars in extremely distant galaxies to calculate the velocity. After trawling through the Gaia Data, the team identified...
March 2016
Why We Need Space Artists
... have not superseded but only provided much new material for space artists. Black holes, pulsars, quasars and hundreds of extrasolar planets; as each new space probe or satellite sends back its data, and each...
January 2023
Is human space exploration DOOMED?
..., about 1.38 billion light-years (2005); distance from the Earth is about 1.2 billion light-years Huge Large Quasar Group (shining nuclei of galaxies), about four billion light-years (2013); distance from the Earth is about...
23 February 2016
Researchers probe black-hole mergers with fast-powered winds
... the extraction of energy from a rotating black hole and is one of the best explanations for the way quasars are powered. With scientific runs at increasing levels of sensitivity now being planned for the U.S.-based LIGO...
30 March 2016
Have astronomers found the signatures of the very first black holes formed through the collapse of gas clouds?
The discovery of very bright quasars, (with luminosities ≥1047 ergs−1, at z ≃ 6*1) in the Sloan Digital Sky Survey (SDSS) suggests that some supermassive black ...