ASTR 100 Chapter Notes - Chapter 7: Freeze-Drying, Radioactive Decay, Gravitational Energy
17 Mar 2019
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The gravity of a large world pulls slowly on its rocky content, shaping it into a sphere. It also helps if if the planet rotates faster. If the core is cooled, the planet has no magnetic field c. d. The interior of the earth: magnetosphere : earth"s magnetic field protects us from charged particles, charged particles enter earth"s magnetosphere only at the north and south from the sun poles, this causes the northern lights. Too many particles are capable of causing power outages g: what shapes earth"s surface? a. The surface is getting warmer: water vapor and co2 are examples, certain molecules let sunlight through while trapping the escaping infrared photons, greenhouse gasses cannot have atoms from the same elements. Because of the greenhouse effect the earth is getting warmer, but if it gets too warm it can be bad for us: mercury and the moon, mercury and the moon are both geologically dead b.
