PHYS 1901 Lecture 12: 2016-10-18 - Week 06A - Overview of the Solar System
15 Dec 2016
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1 lecture: solar system inventory: read chapter 6, exercises: do all review and discussion and all conceptual self-test ) 2: each jovian has a dense terrestrial inner core that makes up more and more of each. Jovian planet as we move outward from the sun: jovians have many moons all very di erent from our moon, all jovians have a ring system. 1. 5 spacecraft exploration: started in the 1960s ( rst arti cial satellite sputnik 1957, many missions ybys (satellite did not orbit, just went on by, stand out examples: Mariner 10 launched 1973 (stopped returning data 1975) Orbit passed by mercury every six months. 4000 photographs mapping 45% of the surface. Soviet venera program (late 60s through early 80s) landed probes on the surface (only lander on venus) 1978 us pioneer mission radar mapping of the planet"s surface. Magellan mission (1990-1994) high resolution radar mapping (120m scale), Exploration started in 1960s (us and ussr)
