Tense debate ends with a definition of ‘planet’.
Pluto has been kicked out of our Sun’s planetary family by astronomers who voted today to define a planet by three criteria. It failed on one of them.
Read the story here.
In The Field
Tense debate ends with a definition of ‘planet’.
Pluto has been kicked out of our Sun’s planetary family by astronomers who voted today to define a planet by three criteria. It failed on one of them.
Read the story here.