Question

What makes up all stars?

Plasma
Steam
Heavy elements
Hydrogen gas

Answers

Answered by GPT-4o mini
All stars are primarily made up of **hydrogen gas**, which constitutes the bulk of their mass during most of their life cycle. In addition to hydrogen, stars also contain **helium** and, in the later stages of their evolution, they can produce and contain **heavy elements** through nuclear fusion processes. However, **plasma** is the state of matter in which the gases in stars exist due to the extremely high temperatures and pressures.

So, the most accurate answer to what makes up all stars would be **hydrogen gas**, with plasma being a description of the state of matter that comprises those gases. Heavy elements are also produced in stars but are not the primary components at the star's inception. Steam is not a component of stars.

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