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Nebular theory THE NEBULAR Created by:Andreas SagalaFaradila ZaharaMuthia Daniza so how didi our solar system form and out of what We can’t know exactly, but we cantheorize and look for evidence to support thesetheories. The most accepted theory today isthe condensation theory, which has itsbeginnings in the nebular theory.
Nebular Hypothesis a Germany Philosopher Immanuel kant proposed nebular Hypothesis about the origin of the solar system in 1755, and it was imporved by a French astronomer Laplace later in 1796 AD. According to this Hypothesis the sun and the planets were formed from a large whirling cloud of hot gases and dust. When the Could cooled and grew smaller it began to Spain faster. As the surface of the Cloud cooled by radiation , a ring of matter was formed as its surface .
The ring was escaped out from the surface of the main mass and the first planet was formed. The process was repeated again and again till the entire solar system was formed. The remaining mass was the sun .
Planet formation theory debunked nebular hypothesis This suggests that the actual practical and physical evidence proves that the planet formation theories they have are wrong. Which also suggests that the theories they are built on are also wrong.Molecular oxygen (O2), however, despite its detection on other icy bodies such as the moons of Jupiter and Saturn2, 3, has remained undetected in cometary comas. Here we report in situ measurement of O2 in the coma of comet 67P/Churyumov–Gerasimenko, with local abundances ranging from one per cent to ten per cent relative to H2O and with a mean value of 3.80 ± 0.85 per cent. Our observations indicate that the O2/H2O ratio is isotropic in the coma and does not change systematically with heliocentric distance. This suggests that primordial O2 was incorporated into the nucleus during the comet’s formation, which is unexpected given the low upper limits from remote sensing observations4. Current Solar System formation models do not predict conditions that would allow this to occur.
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