If the exoplanet HD 100-546 is larger than some stars, how come it hasn’t collapsed into a low-mass star?
In: Physics
These small stars like white dwarfs are extremely dense (like thousands and millions of times more dense than “normal matter” with which we are familiar through our senses and which makes up planets). They have already burned up their thermonuclear fuel and collapsed in on their own insides catastrophically, having no energy to support their outside layers. Gas giants as planets don’t have enough mass for a thermonuclear reaction to start in the first place.
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