From NASAExoplanets on Twitter: Discovery Alert! 📣 A second Earth-sized exoplanet is found hiding in a star’s habitable zone! A year there, one orbit, takes 28 days. It joins three other worlds in the system 100 light-years from Earth. https://exoplanets.nasa.gov/news/1720/second-earth-sized-world-found-in-systems-habitable-zone/?utm_source=TWITTER&utm_medium=NASAExoplanets&utm_campaign=NASASocial&linkId=196910349 https://twitter.com/NASAExoplanets/status/1613973162013622282/photo/1