Hubble Space Telescope Detects Water Vapor in Atmosphere of Small Exoplanet
Credit: Unsplash. Astronomers utilizing the NASA/ESA Hubble Space Telescope have observed GJ 9827d, the smallest exoplanet known to have water vapor in its atmosphere. With a diameter approximately twice that of Earth, this distant planet could provide insights into the prevalence of water-rich atmospheres around other stars in our galaxy. Discovery and Characteristics GJ 9827d, discovered by...