Question

What substances were found in the innermost regions (within about the inner 0.3 au) of the solar system before planets began to form?

Answer 1

Rocks, metals, hydrogen compounds, hydrogen, and helium, all in gaseous form were found in the innermost regions(within about the inner 0.3 au) of the solar system before planets began to form.As our solar system formed from the collapse of an interstellar cloud of gas and dust