Respuesta :
from supernova explosion....
Here I will write you a wonderful video about with beautiful animations...
if you find my answer helpful and my citation is good...please make it brainliest.
watch?v=e-P5IFTqB98
google this and...watch the first video...its from channel called kurzgesagt...very beautiful channel.
Answer: hi im breanna
After there elements heavier than hydrogen formed? e hydrogen in the star's core is exhausted, the star can burn helium to form progressively heavier elements, carbon and oxygen and so on, until iron and nickel are formed. Up to this point the process releases energy. ... The nuclei with mass heavier than nickel are thought to be formed during these explosions
Explanation: