_psw-2409-a-planet-definition-debate-124-alan-stern-and-ron-ekers.jpg "PSW 2409 A Planet Definition Debate | Alan Stern and Ron Ekers from planets classification Video Screenshot Preview")
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⏲ Duration: 74 min 49 sec
✓ Published: 01-May-2019
✓ Published: 01-May-2019
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PSW #2,409 A Planet Definition Debate | Alan Stern & Ron EkersnApril 29, 2019nnwww.pswscience.orgnnLecture by Alan SternnnThis lecture will describe scientific issues involved in deciding on a definition for the term “planet,” stressing the value of data developed since the 1990s that planetary types are more diverse than had been imagined.The lecture will describe a proposed new formal definition, the Geophysical Planet Definition (GPD), according to which “A planet is a sub-stellar
PSW #2,409 A Planet Definition Debate | Alan Stern & Ron EkersnApril 29, 2019nnwww.pswscience.orgnnLecture by Alan SternnnThis lecture will describe scientific issues involved in deciding on a definition for the term “planet,” stressing the value of data developed since the 1990s that planetary types are more diverse than had been imagined.The lecture will describe a proposed new formal definition, the Geophysical Planet Definition (GPD), according to which “A planet is a sub-stellar
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