With data from this survey, partly analyzed by the Instituto de Astrofísica e Ciências do Espaço (IA), researchers determined that the C/N abundance ratio can be used to estimate the age of giant stars. Ler mais
Among 32 thousand stars observed, a team led by a researcher of the Instituto de Astrofísica e Ciências do Espaço discovered five rare stars of a subgroup of peculiar magnetic stars that are authentic stellar laboratories. Ler mais
This discovery, with the participation of a researcher of the Instituto de Astrofísica e Ciências do Espaço (IA), confirms one of the oldest observations to reach present day, measured by Chinese astronomers in 48 b.C. Ler mais
This month, in the session Noites no Observatório, learn how astronomers "listen" to the sound of the stars, and then use that information to characterise with very high detail the planets around them.