Answer:
That made the outer layers cool and expand, thus growing larger and larger until eventually becoming a red supergiant. After a red supergiant explodes, it will become one of two things
Step-by-step explanation:
. Gravity crushes its core to where it is now just stellar remnants. Stellar remnants are clouds of gas and dust wondering around space, but eventually the gas and dust will get sucked back into the nebula starting a new sta