When matter falls into supermassive black holes in the centres of galaxies, it unleashes enormous amounts of energy and is called active galactic nuclei (or AGN...
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NewsRelativistic jets blowing bubbles in the central region of the Teacup Galaxy
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NewsScientific results with the QUIJOTE-MFI wide survey: The anomalous microwave emission in our Galaxy and M31
In the 90s, the COBE satellite discovered that not all the microwave emission from our Galaxy behaved as expected. Part of this signal was later assigned to a...
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NewsSolving the enigma of the brightest planetary nebulae
Planetary nebulae (PNe) are the ejecta of evolved low-intermediate mass stars present in all stellar systems. Perhaps the easiest thing to do when studying PNe...
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NewsSolving the paradox of the enigmatic solar sodium D1 line polarization
In 1998 the journal Nature published a seminal letter concluding that the mysterious polarization (a particular property of light) that had been recently...
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NewsTemperature inhomogeneities cause the abundance discrepancy in H II regions
H II regions are ionized nebulae associated with the formation of massive stars. They exhibit a wealth of emission lines in their spectra that form the basis...
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NewsTESS satellite dates an ancient collision with our galaxy
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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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...