Supernovae also affect the structure of galaxies. The shockwaves from these explosions can induce the formation of recent stars by compressing the fuel and dust in encompassing areas. [201] The bulk of the material ejected by Sort II supernovae is hydrogen and helium.[202] The large elements are produced by: nuclear https://case-study-analysis68907.like-blogs.com/35546395/how-much-you-need-to-expect-you-ll-pay-for-a-good-pay-someone-to-write-my-ivey-case-study