The Solar System – 9B yrs

The Solar System began forming about 4.6 billion years ago, or 9 billion years after the Big Bang. Our nebula, which is a cloud of gas and dust collapsed under it's own gravity and started to spin faster and faster. In the center of nebula formed a dense clump of matter. The clump of matter … Continue reading The Solar System – 9B yrs


The First Stars – 200M yrs

The first stars were formed about 200 million years after the Big Bang. The matters in the universe like hydrogen, helium, and lithium condensed due to gravity, eventually to the point where stars began to form. Large amounts of matter collapsed to form galaxies. The first galaxy was formed when the the universe was around … Continue reading The First Stars – 200M yrs