Assertion: solar system's sun | /r/HasProperty | formed
Facets:
Source sentences:
text: The Sun is said to have been formed out of the mass in the center, and the these materials slowly formed the other non-stellar objects; planets, moons, and asteroids.
text: The hydrogen and most of the helium in the Sun would have been produced by Big Bang nucleosynthesis in the first 20 minutes of the universe, and the heavier elements were produced by previous generations of stars before the Sun was formed, and spread into the interstellar medium during the final stages of stellar life and by events such as supernovae.
text: The planets were formed when the sun was formed.