News
The nature of an extreme B supergiant in Cygnus
2MASS J20395358+4222505 is an obscured early B supergiant near the massive OB star association Cyg OB2. Despite its bright infrared magnitude (Ks= 5.82) it has...
-
-
NewsThe origin of the brightest stars in any Galaxy lies in stellar mergersMassive stars, those over ten times heavier than our Sun, are the conduits of most elements of the periodic table and drive the morphological and chemical...
-
NewsThe phosphorus that came from the starsAll chemical elements in the Universe (except for H and most of the He) have been made in stellar interiors. But among those elements, the ones that allowed to...
-
NewsThe relic galaxy NGC 1277 lacks dark matterThe standard cosmological model states that massive galaxies contain a large fraction of dark matter. Dark matter is a transparent substance that does not...
-
NewsThe role of active galactic nucleus feedback on the evolution of dwarf galaxies from cosmological simulations: Supermassive black holes suppress star formation in low-mass galaxiesRecent observational studies suggest that feedback from active galactic nuclei (AGNs)—the energetic centres powered by supermassive black holes—may play an...
-
NewsThe role of the Sagittarius dwarf galaxy in the evolution of our GalaxyThe European Space Agency's Gaia mission is revolutionising our understanding on how the Milky Way, the spiral galaxy we inhabit, has formed and evolved. Gaia...
-
NewsThe star formation rate evolution of low-mass galaxies as seen by OTELOWe present the analysis of a sample of Halpha, Hbeta and [OII] emission line galaxies from the OTELO survey, with masses typically below log(M */Msun) = 9.4 and...
-
NewsThe surface of asteroid Bennu: dark, rough and dense with bouldersBetween August and December 2018, during the Approach and Preliminary Survey phases of the NASA OSIRIS-REx mission, a series of images and spectra of the...
-
NewsThe synchronized dance of the Magellanic Clouds star formation historyAccording to the current theories of galaxy formation, these generally form as small entities that grow through fusion, collision and accretion, eventually...