What nickname is often given to brown dwarfs?
Answer
"failed stars"
Brown dwarfs are often nicknamed "failed stars" because they did not accumulate sufficient mass to ignite and sustain the primary stellar reaction of core hydrogen fusion.
Related Questions
What is the defining sustained fusion reaction for main-sequence stars?What nickname is often given to brown dwarfs?What is the consequence of a massive star's core turning into iron (Fe)?Which specific fuel source can many brown dwarfs fuse briefly?What fundamentally supports a true star against its own gravity?Approximately how many Jupiter masses must an object exceed to initiate brief deuterium fusion?Besides mass, what intrinsically links an object to the term "star"?What is the temporary, inefficient energy source generated by slow gravitational shrinking?What solar mass boundary defines the point where a true star is born?What is true regarding the energy required to fuse iron ($ ext{Fe}$)?