Exoplanets
6 articles
How Astronomers Search for Life on Exoplanets: A Guide to Biosignatures and Their Validation
Astronomers search for extraterrestrial life by identifying biosignatures in exoplanet atmospheres and on surfaces, but rigorous validation is crucial to distinguish true signs of life from abiotic processes. This involves analyzing the planetary context, host star properties, and atmospheric chemistry to rule out false positives.
Quantum physics offers new exoplanet detection methods
A new adaptive quantum measurement method detects exoplanets at contrasts down to 10 -8 , a leap five orders of magnitude beyond prior quantum imaging techniques, according to Arxiv .
Astronomers Confirm CoRoT-2b's Slow, Non-Synchronous Spin
On the exoplanet CoRoT-2b, a single day lasts three Earth days, while its entire year is a mere 1.
Scientists model exoplanets forming near supermassive black holes
Millions of Jupiter-mass planets, described as dust giants exceeding Jupiter's mass and resembling lava balls, could form at a distance of tens of parsecs from supermassive black holes.
JWST reveals exoplanets with diesel smog-like atmospheres
The James Webb Space Telescope, designed to peer into the potential for life beyond Earth, is instead revealing exoplanets that are either bare and rocky or potentially choked by atmospheres filled wi
Uranus moons hold clues to spotting undiscovered planets
In 85 percent of simulated planetary instability scenarios, Uranus' moon system collapsed, yet it stands today as a silent testament to a violent cosmic past.