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Worlds without end: In reviewing the known exoplanets astronomers have identified more than a hundred giant exoplanets located in the habitable zone that might harbor habitable moons.
The researchers identified 121 giant planets that have orbits within the habitable zones of their stars. At more than three times the radii of the Earth, these gaseous planets are less common than terrestrial planets, but each is expected to host several large moons.
Scientists have speculated that exomoons might provide a favorable environment for life, perhaps even better than Earth. That’s because they receive energy not only from their star, but also from radiation reflected from their planet. Until now, no exomoons have been confirmed.
Using this new database scientists will optimize future instruments on both the ground and in space to look for and study the moons circling these exoplanets.