"Hubble Telescope Discovers Smallest Water-Rich Planet in Orbit"

The Hubble Space Telescope has discovered evidence of water vapor in the atmosphere of GJ 9827d, the smallest exoplanet known to have such a feature. This finding is significant in the search for Earth-like worlds and the prevalence of water-rich atmospheres around other stars. The planet's characteristics and potential as a water world or a miniature Neptune-like gas planet are still under investigation, with hopes that the James Webb Space Telescope will provide further insights into its composition and formation.