ASTR178 Lecture Notes - Lecture 1: Methane Clathrate, Liquid Hydrogen, Olympus Mons
13 Aug 2018
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Planet : orbit a star, maintain hydrostatic equilibrium (spherical shape, gravitational dominance (clear orbit) 2006 international astronomical union made pluto a dwarf planet since it does not have gravitational dominance (bodies in the kuiper belt where pluto orbits has more mass) Earth and moon have similar rock properties. Great impact theory/ big splash = asteroid (ie. theia {approx size of mars} grazes against earth scattering material = material comes together due to gravity and forms moon) Lunar eclipse = earth blocks light from sun. Red moon/ blood moon = earth"s atmosphere scatters blue light from sun and red light is diffracted from atmosphere onto moon giving red moon look. Near side has thin crust therefore astronomical objects that impacts the moons near side will cause the moons volcano to erupt and the molten will cover creators. Therefore, the near side has visibly less creators than far side. Ice, organic material and exosphere (calcium, magnesium and sulphur)
