High-precision high-fidelity spectrographs are the most powerful instruments for exoplanets detection and characterization. The sub-m/s radial-velocity precision, required to detect Earth-mass exoplanets, necessitates tackling all the sources of instrumental and […]
planets
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Stellar Cartography
Long-period Transiting Exoplanets: Advances In Detection And Characterization
Most detected transiting planets have orbits which would fit within the one of Mercury, exposing them to intense stellar irradiation and interactions that significantly alter their properties.
Posted inBiosignatures & Paleobiology, Exoplanets, -moons, -comets, Icy Worlds, Imaging & Spectroscopy, Press Release, Water/Hycean Worlds & Oceanography
In The search For Life On Exoplanets Finding Nothing Is Something Too
A team led by researchers at ETH Zurich’s Institute for Particle Physics and Astrophysics studied what insights can be gained from a ‘no life detected’ scenario in future exoplanet surveys.
Posted inExoplanets, -moons, -comets, Habitable Zones, Press Release
Where To Find The Next Earth
A team from the University of Bern and the National Centre of Competence in Research (NCCR) PlanetS has developed a machine learning model that predicts potential planetary systems with Earth-like […]
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Exoplanets, -moons, -comets, Interstellar, Status Report, Video, Audio, Webcasts, Podcasts
Hubble’s Inside the Image: Protoplanetary Disks (Video)
NASA’s Hubble Space Telescope has captured stunning images of protoplanetary disks—dynamic, swirling structures of gas and dust surrounding young stars.
Posted inHabitable Zones, Press Release
Better to Dry a Rocky Planet Before Use
Earth’s solid surface and clement climate may be in part due to a massive star in the birth environment of the Sun. Without its radioactive elements injected into the early […]
Posted inAstrochemistry, Habitable Zones
Water: From Clouds to Planets
Results from recent space missions, in particular Spitzer and Herschel, have lead to significant progress in our understanding of the formation and transport of water from clouds to disks, planetesimals, […]