On Wednesday 30 October, the headquarters of the Instituto de Astrofísica de Canarias (IAC) received a talk by the first Swiss astronaut, Claude Nicollier, who wanted to share his experience in space with the personnel of the IAC. Claude Nicollier is the first Swiss astronaut to have flown into space. After his studies at the Universities of Geneva and Lausanne, Claude joined ESA as a member of their first group of astronauts. Since 2007 Nicollier has been a Professor at the Federal Polytechnical School at Lausanne. He has spent more than 1000 hours in space (more than 42 days) including a

The single star nearest to the Sun is called Barnard’s star. A team of researchers led by the Instituto de Astrofísica de Canarias (IAC), has recently detected a ‘sub-Earth’ orbiting it. This exoplanet, called Barnard b has at least half the mass of Venus and orbits rapidly around its star, so that its year lasts only a little over three Earth days. This new exoplanet is sixteen times nearer to Barnard’d star than Mercury is to the Sun, and has a surface temperature close to 125oC, so it does not have liquid water on its surface. This discovery, led by the IAC in collaboration with a number