New light on baryonic matter and gravity on cosmic scales
Scientists estimate that dark matter and dark energy together are some 95% of the gravitational material in the universe while the remaining 5% is baryonic...
New measurements of the solar spectrum verify Einstein’s theory of General Relativity
An international team of researchers led by the Instituto de Astrofísica de Canarias (IAC) has measured, with unprecedented accuracy, the gravitational redshift...
New source of lithium production found in the Universe
A team of researchers from the Instituto de Astrofísica de Canarias (IAC), the University of Manchester and the Norwegian University of Science and Technology...
New techniques are developed for producing synthetic catalogues of galaxies
The group of Cosmology and Large Scale Structure at the Instituto de Astrofísica de Canarias (IAC) has developed, using the BAM (Bias Assignment Method)...
News about Tabby’s star, the most mysterious star of 2017
Several telescopes of the Canary Island Observatories are studying this controversial star in a coordinated campaign involving over a hundred professional and...
Nightside condensation of iron in an ultrahot giant exoplanet
Ultrahot giant exoplanets receive thousands of times Earth’s insolation. Their high-temperature atmospheres (greater than 2,000 kelvin) are ideal laboratories...
Non-grey dimming events of KIC 8462852 from GTC spectrophotometry
We report ground-based spectrophotometry of KIC 8462852, during its first dimming events since the end of the Kepler mission. The dimmings show a clear colour...
NORBERT LANGER: "There are still many uncertainties about the evolution of massive stars"
Professor Norbert Langer is currently head of the Stellar Physics Group at the Argelander-Institut für Astronomie (Bonn, Germany). Considered one of the world’s...