Solar system coalesced out of a swirling cloud of interstellar dust/gas is known as nebula gas theory
According to nebula gas theory, the Sun and all the planets of our Solar System began as a giant cloud of molecular gas and dust called solar nebula. Then, about 4.57 billion years ago, something happened that caused the cloud to collapse.
A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it.
Nebular Hypothesis: a widely accepted model. Originally formulated in 1755 by a German Philosopher Immanuel Kan. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. The solar system coalesced out of a swirling cloud of interstellar dust/gas called nebula. Sun born from a nuclear reaction called nebula.
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