What are objects called that bridge the gap between the largest planets and the smallest true stars, unable to sustain hydrogen fusion?

Answer

Brown dwarfs

Brown dwarfs are objects that fall just below the mass threshold required to initiate sustained hydrogen fusion against gravitational pressure.

What are objects called that bridge the gap between the largest planets and the smallest true stars, unable to sustain hydrogen fusion?

#Videos

Do All Stars Synthesize Heavier Elements? - YouTube

starFusion