What is another word for brown dwarf?
Pronunciation: [bɹˈa͡ʊn dwˈɔːf] (IPA) 
A brown dwarf is a sub-stellar object that is too small to sustain nuclear fusion in its core. It is also known as a failed star, due to its inability to sustain fusion and generate energy like a true star. This celestial body has various synonyms depending on the context in which it is used. It is sometimes called a sub-brown dwarf, an ultra-cool dwarf, an infrared dwarf, or a dim star. It can also be referred to as a planet-like object or a dark star. Regardless of its name, a brown dwarf is a fascinating object in the universe that helps us understand the diversity of celestial bodies.
