What distinguishes a planet from a star like the Sun, based on core energy generation?
Answer
Planets do not generate significant energy via nuclear fusion in their cores
Planets are fundamentally cold relative to a star and shine only by reflecting light, whereas stars generate significant energy through nuclear fusion in their cores.
Related Questions
What fundamental process defines the Sun as a star?What are the primary elemental compositions of the Sun by mass?What percentage of the entire solar system's total mass is contained within the Sun?What distinguishes a planet from a star like the Sun, based on core energy generation?Compared to Proxima Centauri, how close is the Sun to Earth in terms of astronomical distance?How many Earth diameters can fit across the Sun's diameter?What is the specific classification given to our Sun as a main-sequence star?According to estimates, what is the Sun's expected total lifespan on the main sequence?What type of star represents the most common stellar population in the universe?When referring to 'Sun' with a capital 'S', what does this signify?What will be the Sun's fate after it expands off the main sequence?