What are Brown Dwarfs?
Brown Dwarf is a type of substellar object in the universe whose mass is between the giant planets with the heaviest gas and the lightest stars and which has a group between 13 and 75-80 times that of Jupiter. , Or approximately 2.5 × 1028 kg. Or about 1.5 × 1029 kg.
These sub-brown dwarfs are considered below the limits of all these masses, which some scientists call rogue planets. The brown dwarf, i.e., Brown Dwarf, can be completely convection (transfer of heat due to the simultaneous movement of giant molecules within the fluid), with no layer or chemical differentiation, i.e., deepening.
Unlike the stars in the main sequence, brown dwarfs are not sufficiently large to maintain the simple fusion of simple hydrogen to helium in their core. While they are believed to fuse deuterium and fuse to lithium, it is also a matter of debate whether brown dwarfs would be better defined by their formation processes rather than their perceived nuclear fusion reactions.
Stars are classified by spectral class, with brown dwarfs designated as M, L, T, and Y. Despite their names, brown dwarfs are of different colors. Many brown dwarfs will likely appear magenta or possibly orange/red to the human eye. Brown dwarfs are not very bright at visible wavelengths. Planets known for brown dwarfs are 2M1207b, MOA-2007-BLG-192Lb, and 2MASS J044144b.
At a distance of about 6.5 light-years, the closest known brown dwarf is Luhman 16, a binary system of brown dwarfs discovered in 2013. The HR2562B is listed as the giant known exoplanet in NASA’s exoplanet (as of December 2017). Despite having a mass (30 M 15 MJ), the collection is more than double the 13 Jupiter-mass cutoff between planets and brown dwarfs.