Grantecan solves an old puzzle about the brightness of galaxy discs
An international scientific team, including the Instituto de Astrofísica de Canarias (IAC), has detected distortions in the brightness of a galaxy's disc that could be explained by the gravitational effect of an unknown neighbouring galaxy. Named GTC-1, the satellite galaxy was discovered using ultra-deep images obtained with the OSIRIS camera of the…
Tracing Our Stellar Ancestors
A team of astronomers from Japan and China discovered a strange star floating at the edge of our Milky Way galaxy. On a closer look at the star’s chemistry, astronomers think they might have just uncovered a galactic treasure. Could this star be the stellar relative of one of the firstborn stars…
