作者:youssef murad 14 年以前
280
New Map
The formation of the universe began with the Big Bang around 12 billion years ago, leading to the creation of the simplest elements: hydrogen, helium, and lithium. The matter was not uniformly distributed, which eventually caused the formation of galaxies, stars, and larger celestial bodies.
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Exploring our Universe Solar system Planet cools after collision with planet tesmails forming moon Electro magnetic field shielding against solar winds Hot ball of rock, iron catastrophe, molten iron sank to core Matter would pile due to gravity to form dust , dust to rocks, rocks to lumps, lumps to planetesmials formed solar nebulae ( galaxy) energy released from star form matter Stars Explosion of star releasing large amounts of energy Elements formed due to nuclear reactions Nuclear fussion converting hydrogen into helium started forming light and heat and therefore sun Matter came together but undistributed due to gravity to form large objects Big Bang Matter was not uniformly distrubted, causing formation of uneven clumps then galaxies then large objects then planets Hydrogen, helium, and lithium formed from the simpliest of particles Exploded 12 billion years ago and universe expanded One Geometric point