A massive body that fails to initiate nuclear fusion, specifically those under approximately 0.08 solar masses, can still support a planetary system. This phenomenon is exemplified by gas giants like Jupiter and Saturn, which can host numerous moons and smaller celestial bodies in orbit. Such systems are classified as "mini systems," demonstrating that stellar formation is not a prerequisite for planetary development.
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Sure, it would be called a "mini system" like Jupiter, Saturn, etc. with numerous moons (planets) orbiting around. Anything under ~0.08 solar masses won't start fusion, but other objects can still form and orbit.Originally posted by wolram
if a massive body fails to become a star could it still suport
planetary system?