Lecture 2 Time and populations

Lecture 2 Time and populations - • • • • • •...

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Unformatted text preview: • • • • • • • • • The idealized “scientific method”: “Inductive” reasoning; developing a general theory from specific data. Specific Data Test (expt./observation) General Theory Hypothesis This cycle leads to deeper understanding “Deductive” reasoning; generating specific data from a general theory. Mars Earth Venus Mass (kg): 6.4 x 1023 6.0 x 1024 4.9 x 1024 Radius (km): 3,400 Dist. Sun (km): 228 x 106 6,400 150 x 106 6,100 108 x 106 Size (mass) matters. So does distance from the Sun… • • • • 0 1 2 3 4 5 6 7 8 9 10 100 105 110 115 120 125 130 135 140 145 150 100 105 110.25 115.762 121.550 127.628 134.009 140.710 147.745 155.132 162.889 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 600 700 800 900 1000 100 150 200 250 300 350 400 450 500 550 600 100 700 750 800 850 900 950 1000 1050 1100 1150 100 163 272 448 739 1218 2008 3310 5458 8998 14834 100 14,833 2200363 3263937 4841601 7.18185 1.06533 1.58027 2.34411 3.47717 5.1579E 13.9 5784 E+12 E+15 E+17 E+19 E+21 +23 ...
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