PPT-Distances in Space Distance Units - the AU

An Astronomical Unit AU is defined as the average distance between the Earth and Sun 1 AU 92 955 807 miles or 149 597 871 km AUs are used to measure distances within the solar system . 5 033 210 140 420 280 10 066 220 1466 430 2866 15 10 225 150 435 290 20 133 230 1533 440 2933 25 165 235 1566 445 2966 30 20 240 160 450 300 40 266 250 1666 460 3066 45 30 255 170 465 310 50 333 260 1733 470 3133 60 40 270 180 480 320 70 466 280 1866 Bob Shackleton. Congressional Budget . Office. Quantitative Linguistics and Dialectology. University of Groningen. June 29, 2012 . Quantifying relative distances between different sounds is a key requirement of . Recap. Distances in astronomy. Measuring distances directly with light travel time. Measuring distances geometrically with parallax. Measuring distances using . brightnesses. Distances using brightnesses. Edith Cohen. Joint with: . Thomas . Pajor. , . Daniel . Delling. , Renato . Werneck. Microsoft Research . Very Large Graphs. Model many types of relations and interactions (edges) between entities (nodes). Spring 2010. Math . 2644. Ayona Chatterjee. Conic sections result from intersection a cone with a plane.. PARABOLAS. A parabolas is the set of points in a plane that are equidistant from a fixed point F (called the focus) and a fixed line (called the directrix).. HIP . Estimators for. Massive . Graphs Analysis. Edith Cohen. Microsoft Research . Presented by:. Thomas . Pajor. Microsoft Research . Very Large Graphs. Model many types of relations and interactions. Centrality. , Similarity, and . Influence. Edith Cohen . Tel Aviv University. Graph Datasets:. Represent relations between “things”. Bowtie structure of the Web . Broder. et. al. 2001. Dolphin interactions. Cristobal Perez, Matt T. Muckle, Daniel P. Zaleski, Nathan Seifert, Brooks H. Pate. Department of . Chemistry, University of Virginia, Charlottesville, Virginia, USA. Z. bigniew. . Kisiel. Institute of Physics, Polish Academy of Sciences. Scientists (and the world) use the metric system. Units. Convert km to miles = multiply by .6. Convert meters to feet = 3 ft / meter.. Scale Model of Solar System. Solar System Distances. Kilometer is too small. 150,000,000 km to Sun.. Some of the tools used to measure length and distance are a metric ruler, a meter stick and a metric tape measure.. Metric Units of Length Measurement. Meter (m) – Unit of measurement (starting point). Since the averages are the same, can we assume that the students in both classes all did pretty much the same on the exam?. The answer is… No.. The average (mean) does not tell us anything about the distribution or variation in the grades.. Declared distances at airports are mechanismby which specific lengths of runway pavement are identified for use in aircraft operations Declared distances are incorporated into the Operations Specific This resource provides animated demonstrations of the mathematical method.. Check animations and delete slides not needed for your class.. Speed. What common units do we use to measure . speed. ?. Distance. R. Ellis & S. G. Djorgovski. Winter 2011. Class Logistics. All info, lecture notes, useful links, . homeworks. , exams, announcements, etc., will be on the class website:. http://www.astro.caltech.edu/~schenker/ay124.