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The Earth Scientist, Volume XXV, Issue 3, Fall 2009
The Fall 2009 issue of The Earth Scientist includes a collection of Earth and Space Science articles for you, covering the current efforts to save Louisiana’s Lake Pontchartrain, student research into building design as it relates to earthquake damage, an exciting Earth Science project and resource from the United Kingdom...more
Rainbows
Rainbows appear in the sky when there is bright sunlight and rain. Sunlight is known as visible or white light and is actually a mixture of colors. Rainbows result from the refraction and reflection of...more
The Four Seasons
The Earth travels around the sun one full time per year. During this year, the seasons change depending on the amount of sunlight reaching the surface and the Earth's tilt as it revolves around the sun....more
Research Aircraft
Scientists sometimes travel in specially outfitted airplanes in order to gather data about atmospheric conditions. These research aircraft have special inlet ports that bring air from the outside into...more
Anemometer
An anemometer is a weather instrument used to measure the wind (it can also be called a wind gauge). Anemometers can measure wind speed, wind direction, and other information like the largest gust of wind...more
Thermometer
Thermometers measure temperature. "Thermo" means heat and "meter" means to measure. You can use a thermometer to measure the temperature of many things, including the temperature of...more
Weather Balloons
Weather balloons are used to carry weather instruments that measure temperature, pressure, humidity, and winds in the atmosphere. The balloons are made of rubber and weigh up to one kilogram (2.2 pounds)....more
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