Earth" and a massive outer planet, revealing insights into extreme planetary evolution. An international research team, led ...
Earth' 750 light-years away, with 8 Earth masses packed into 1.6x Earth’s size, orbiting its star in just 21 hours.
Miller (Caltech/IPAC) Over many millions of years, NASA suspects the young world could mature into either of the most common planets found in our Milky Way galaxy: a "super-Earth" or mini-Neptune.
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