Science News
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Planet 9 takes shape: Newfound planet in our outer solar system simulated
Date:
April 7, 2016
Source:
University of Bern
Summary:
Astrophysicists have modeled the evolution of the putative planet in the outer solar system. They estimate that the object has a present-day radius equal to 3.7 Earth radii and a temperature of minus 226 degrees Celsius.
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