‘Thermometer’ molecule confirmed on exoplanet WASP-31b

Aug 28, 2023 (Nanowerk News) Chromium hydride (CrH), a molecule that’s relatively rare and particularly sensitive to temperature, is useful as a “thermometer for stars,” according to astronomer Laura Flagg, because it’s abundant only in a narrow range between 1,200-2,000 degrees Kelvin. Flagg, a research associate in astronomy in the...