These high pressures are thought to be found in the iron cores of rocky exoplanets that are between three and four times Earth's mass, Smith says. (sciencenews.org)
Editor's note: This story was updated June 20, 2017, to correct the number of confirmed exoplanets and the description of the 10 newly discovered rocky exoplanets. (sciencenews.org)
The good news is that Kepler's latest results include 117 candidates at or below the size of Kepler - 10 b and 23 smaller than Earth, strongly suggesting that the planet - hunting probe should soon find small, rocky exoplanets in kinder climates. (discovermagazine.com)