Star may have drawn scorching 'hell planet' into close orbit

The surface of exoplanet Janssen is a mind-boggling 3,600 degrees Fahrenheit (2,000 degrees Celsius). New data has led scientists to develop a theory of how this "hell planet" came to be.

Related Keywords

New York ,United States ,Arizona ,Lily Zhao ,Flatiron Institute ,Extreme Precision Spectrometer ,Lowell Discovery Telescope ,