'It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time.'
Located in a planetary system 218 light-years away in the constellation Lyra, the 'water worlds' orbiting a red dwarf star are unlike any other planet ever discovered in the solar system.
The researchers also state these planets may not have oceans like those on Earth directly at the planet's surface.
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