Chthonian planet rocky planet and not the eroded core of a gas or ice giant, due to the young age of the star system. Kepler-70b and Kepler-70c are sub-Earth planets that are thought to have been giant planets that were engulfed by the extended envelope of their star in its red giant phase vaporizing their gaseous envelope. Chthonian planet Chthonian planets (, sometimes 'cthonian') are a hypothetical class of celestial objects resulting from the stripping away of a gas giant's hydrogen and helium atmosphere and outer layers, which is called hydrodynamic escape. Such atmospheric stripping is a likely result of proximity to
Red Hydrogen One price and flagship ambitions." In contrast, "The Verge" gave the Hydrogen One a score of 3 out of 10, arguing that it "fell short" of the quality expected among phones in its price range, and acknowledging the shortcomings of the features that were intended to set the Hydrogen One apart from them. Red Hydrogen One Red Hydrogen One is an Android smartphone manufactured by Red Digital Cinema. It was officially announced on May 18, 2018 with a release date in August 2018. and released in the United States via AT&T and Verizon Wireless on November 2, 2018 after multiple delays.