definition
The study tendency that is going to consider other elements not the formation process of the brown dwarf is reviewed theoretically at the beginning in the 21st century, and defining a brown dwarf and a planet only from mass or mass distribution is seen. For an example, there is a study group showing the prospect that I add size and the composition and should sort. In addition, there are not planetary system and a definition doing, and the division border of a brown dwarf and the planet can complain when there are the heavenly bodies around the fixed star more when the heavenly bodies of the mass more than the theoretical bottom mass of the brown dwarf go around the fixed star whether you do it with binary system.
There are a brown dwarf of the low mass and the definition that aimed at division with the planet of the mass very much in the plural coexisting situation as above, and the definition that will be new in future may be agreed. In the this clause, leave some vagueness, and showed a definition of "the low mass than ten around several times of the Jupiter mass", but how is it when include this clause, and contact with various documents and arguments; it is necessary to warn whether is assuming a definition.
There are a brown dwarf of the low mass and the definition that aimed at division with the planet of the mass very much in the plural coexisting situation as above, and the definition that will be new in future may be agreed. In the this clause, leave some vagueness, and showed a definition of "the low mass than ten around several times of the Jupiter mass", but how is it when include this clause, and contact with various documents and arguments; it is necessary to warn whether is assuming a definition.