LESSON ONE: Speed of light: C= 3 x 10^8 m/s‚ C=3x10^5 km/s Light year= dist= speed x time Earth rotates 360 deg every SIDEREAL DAY 1 Sidereal day= 24 sidereal hrs= 23:56 solar hours Earth revolves 360 around the sun ever 365.24 days= tropical year Earth’s rotation axis precesses every 26‚000 yrs Moon revolves 360 deg ever 27.3 days= Sidereal mon Moon’s cyc repeats every 29.5 days= Syndonic mon Saros cycle: one eclipse yr is only 346 days. 19 eclipse years= 223 syndonic months. LESSON ONE
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Contents: · Tourism and Climate Change - International - June 2012 - Introduction [Report Section] · Tourism and Climate Change - International - June 2012 - Data Sources [Report Section] · Tourism and Climate Change - International - June 2012 - Overview [Report Section] · Tourism and Climate Change - International - June 2012 - The Impact of Tourism on Climate Change [Report Section] · Tourism and Climate Change - International - June 2012 - The Impact of Climate Change on Tourism [Report
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Pervasive Computing: An Overview Prashanth G.K [1] Assistant Professor‚ Sushil Kumar Singh[2] Project Student Sarmistha Panda[2] Project Student Department of MCA‚ Siddaganga Institute of Technology‚ Tumkur‚ India‚ prashanthgk@gmail.com Kumar.sushil.singh24@gmail.com sarm.prad@gmail.com Abstract Pervasive computing environments gracefully integrate networked computing devices – from tiny sensors to extremely dynamic and powerful devices – with people and their ambient environments. Service discovery
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Meteorological Phenomena 1) The dipping duck 2) Galileo’s thermometer 3 Light engine 4) Willy-willy 5) Dust Storm 6) Cloud Colour 7) Global dimming 8) Temperature Inversions 9) Sun Halo 10) Water Evaporates below Boiling Point 11) Why sky is blue below 30km & black above 12) Why is temperature max reached after noon 13) Fog (glasses question) 14) Ozone hole in spring 15) What makes mountains in distance appear blue 16) Temperature range with latitude 17) When there is dew‚ there
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Sustainability has been defined as “meeting the needs of the present generation without compromising the ability for future generations to meet their own needs”. Sustainable development comes down to three core features of environmental protection‚ economic development and social progress. To improve sustainability around the world people have been encouraged to reduce their ‘footprint’ on the planet. There are key strategies to reduce the human ‘footprint’ on the globe‚ some of these are recycling
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1. As seen from temperate or tropical latitudes‚ the positions of the constellations shift gradually westward in the sky from night to night because (a) the Earth rotates on its axis. (b) the Earth revolves around the Sun. (c) the tilt of the Earth’s axis changes. (d) their right ascensions constantly change. (e) their declinations constantly change. 2. A star cluster in which the individual stars do not show a striking central concentration nor an orderly pattern or structure is
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hFeel free to add and edit as you please. It will be really awesome if we can type out a short answer to 8 each of the bulleted questions! - J.W. Turner Questions about the material that classmates may be able to answer: 1. Are you sure it’s supposed to say “New Zealand‚” not “Hawaii?” (below) ← Yeah‚ it’s supposed to be hawaii ← No‚ it’s supposed to be new zealand. I double checked. ← Can you tell us which slide you found this info on No its hawaii from ancient bump notes 2. 3.Could someone
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Gas analysis techniques Terms for gas analysis techniques Concentration The term concentration describes the amount of a substance‚ expressed as mass‚ volume‚ or number of particles in a unit volume of a solid‚ liquid‚ or gaseous substance e.g. alcohol in beer or oxygen in air. Different units are in use to describe concentration in gases: Mass concentration Concentration expressed in terms of mass of substance per unit volume [g substance/m3 gas volume] ¢ Volume concentration Concentration
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Chapter 7 2. Concept: Key factors that influence an area’s climate are incoming solar energy‚ the earth’s rotation‚ global patterns of air and water movement‚ gases in the atmosphere‚ and the earth’s surface features. It is important to understand the difference between weather and climate. Weather is a set of physical conditions of the lower atmosphere‚ including temperature‚ precipitation‚ humidity‚ wind speed‚ cloud cover‚ and other factors‚ in a given area over a period of hours or days. Weather
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Air pollution From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Air pollution from World War II production Smog over Santiago‚ Chile Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone
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