Sub-brown dwarf

A sub-brown dwarf or planetary-mass brown dwarf is an astronomical object that formed in the same manner as stars and brown dwarfs (i.e. through the collapse of a gas cloud) but that has a mass below the limiting mass for thermonuclear fusion of deuterium (about 13 MJ).Some researchers call them free-floating planets whereas others call them planetary-mass brown dwarfs.

Sub-brown dwarf

A sub-brown dwarf or planetary-mass brown dwarf is an astronomical object that formed in the same manner as stars and brown dwarfs (i.e. through the collapse of a gas cloud) but that has a mass below the limiting mass for thermonuclear fusion of deuterium (about 13 MJ).Some researchers call them free-floating planets whereas others call them planetary-mass brown dwarfs.