Metal Planet Orbits Its Star Every 7.7 Hours


By Adam Mann
, The NewYork Times. 

Excerpt: Astronomers call it a “super-Mercury” and think it holds clues to how planets form close in to their stars. ...Because it sits so close to its parent, one side of GJ 367 b likely always faces the blazing star. Its dayside temperatures should soar toward 2,700 degrees Fahrenheit, hot enough to melt rock and metal, making it a potential lava world…

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