Earlier this year, a team of astrophysicists has revealed new insights on an ancient collision that our galaxy the Milky Way underwent with another smaller...
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NewsTESS satellite dates an ancient collision with our galaxy
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NewsTesting Einstein's equivalence principle at early cosmological epochs with quasar observations
We perform a new test of Einstein's Equivalence Principle which, for the first time, extends to very early cosmological epochs (we have studied its validity in...
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NewsTesting fundamental physics with ESPRESSO
Many of the most basic and important physical phenomena are determined by a set of “fundamental constants”, whose values are experimentally known to high...
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NewsTesting the extreme acceleration mechanisms in the supermassive black holes neighborhood
Blazars, Active Galactic Nuclei (AGN) whose relativistic jets point in the direction of the Earth, dominate the VHE (VHE, E>100 GeV) gamma-ray extragalactic sky...
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NewsThe adequacy of stellar evolution models for the interpretation of the color-magnitude diagrams of resolved stellar populations
Work by C. Gallart, M. Zoccali y A. Aparicio has been published in the Annual Review of Astronomy and Astrophysics. The article reviews current knowledge about...
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NewsThe central molecular gas structure in LINERs with low luminosity AGN: evidence for gradual disappearance of the torus.
We present observations of the molecular gas in the nuclear environment of three prototypical low luminosity AGN (LLAGN), based on VLT/SINFONI AO-assisted...
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NewsThe changing-look optical wind of the flaring X-ray transient Swift J1858.6-0814
The large amount of mass and angular momentum carried by disc winds makes them key processes to understand accretion onto compact objects, such as black holes...
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NewsThe chemistry of Planetary Nebulae (PNe) and HII regions in the Local Group
Chemical abundances have been measured of PNe and HII regions in Sex A and Sex B, two galaxies located on the outskirts of the Local Group. These PNe are the...
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NewsThe cosmic assembly of stellar haloes in massive early-type Galaxies