Now almost 70 years since its introduction, the effective or half-light radius has become a very popular choice for characterising galaxy size. However, the...
Are ultra-diffuse galaxies structurally similar to low-surface-brightness galaxies?
A central question regarding ultra-diffuse galaxies (UDGs) is whether they are in a separate category from low-surface-brightness (LSB) galaxies, or just their...
Astronomers confirm a new “Trojan” asteroid that shares an orbit with Mars
Using observations made with the Gran Telescopio Canarias (GTC) a study led from the Instituto de Astrofísica de Canarias (IAC) and the Universidad Complutense...
Astronomers confirm the existence of a cosmic supervoid that challenges our understanding of dark energy
Research by the Dark Energy Survey (DES) collaboration, in which the Instituto de Astrofísica de Canarias (IAC) participates, has confirmed the presence of a...
Astronomers detect large amounts of oxygen in the atmosphere of a primitive star
Scientists from the Instituto de Astrofísica de Canarias (IAC), in collaboration with the University of Cambridge and the University of California San Diego...
Astronomers develop new method for taking the temperature of black holes
An international research team led by researchers at the Instituto de Astrofísica de Canarias (IAC) has found a new method for measuring the masses of black...
Astronomers discover a four-planet system with a peculiar migration process
An international research, in which the Instituto de Astrofísica de Canarias (IAC) participates, has discovered a new planetary system comprised of 4 planets...