Stars are made of gas the gas is hydrogen and helium. Stars are just big balls of gas. When there is too much of one type of gas it explodes.
When there is too little of gas it dies quietly. If there is just enough gas it stays for billions of years. Like our sun and it's expected to stay for billions of years. The definition of a star in the dictionary is, A fixed luminous point in the in the night sky that is large.
If you don’t know what luminous means then here is the definition. Full of shedding light, bright or shining, especially in the dark. Most stars are bigger than the sun, the sun is a middle sized star. The bigger and the smaller are the most likely to be gone in 100 years.
When there is too little of gas it dies quietly. If there is just enough gas it stays for billions of years. Like our sun and it's expected to stay for billions of years. The definition of a star in the dictionary is, A fixed luminous point in the in the night sky that is large.
If you don’t know what luminous means then here is the definition. Full of shedding light, bright or shining, especially in the dark. Most stars are bigger than the sun, the sun is a middle sized star. The bigger and the smaller are the most likely to be gone in 100 years.