Tuesday, July 25, 2017

NEW USE FOR AN OLD METAPHOR?

John Wenz posts (24 July) on Discovery Magazine HERE
A Closer Look at Rogue Planets in the Universe””
“The OGLE data showed enough events that were likely super-Earth sized worlds to build a picture of something like this: 25 percent gas giants, 75 percent rocky worlds or ice giants. And it all has to do with the invisible hand of gravity. In short, stars are more likely to hold onto gas giants because the gas giants have a stronger grip.”

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