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Big Bang pt2
Texto del Guión Gráfico
- When the universe cooled down enough for quarks to combine and form protons and neutrons.
- proton
- Hadron Epoch
- neutron
- Protons and neutrons fused together and created nuclei, producing the first element, helium.
- helium
- Lepton and Nuclear Epoch
- The temperature cooled down enough for electrons to latch on to the nuclei. This helped create hydrogen, the second element.
- electron
- Atomic Epoch
- Hydrogen and helium atoms combined, with the help of gravity, to form atomic clouds that scattered the universe. These became the seeds of galaxies.
- Galactic Epoch
- Stars began to form inside these galaxies, due to the temperature and nuclear fusion. The cycle of stars living and dying would begin.
- stellar nebula
- average star
- Stellar Epoch - Life cycle of a star
- red giant
- planetary nebula
- supernova
- white dwarf
- blackhole
- neutron star
- black dwarf
- Heat helped transform a lot of the helium and hydrogen into almost all of the other elements, which became the building blocks for everything else. Our solar system and sun only appeared 4.5 billion years ago.
- Stellar Epoch
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