There is no line at which the atmosphere stops. Estimates range from 700 - 1000 kilometres (430 - 620 miles).
http://wiki.answers.com/Q/How_far_does_the_earth's_atmo...
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The atmosphere just "fades away" into space with increasing altitude. Compared with the radius of the earth (6,370 km or 3,949 miles), the depth of the atmosphere is quite shallow. ... Ask students to suggest how far the earth's atmosphere would extend above the surface in this drawing. Mark their suggestions on the board...
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www.ucar.edu/learn/1_1_2_2t.htm
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Subject: How far exactly does the Earth's atmosphere extend into space? ... Date: Tue Mar 3 16:59:56 1998; Posted by Julie Herrick; Grade level: 10-12; School: Gloucester High School; City: Gloucester State/Province: MA; ... A David Brin novel (Earth) suggested that the Moon lies within Earth's atmosphere. Is this true?
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www.madsci.org/posts/archives/mar98/889712513.Es.q.html
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Describes the composition and layers of the atmosphere. ... Composition of the Atmosphere ... Above the stratosphere is the mesosphere and above that is the ionosphere (or thermosphere), where many atoms are ionized (have gained or lost electrons so they have a net electrical charge).
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csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html
csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html
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The owner makes a special attempt to visit patrons and extend a personal welcome. Avoid sitting near the stairs on the top level - it can get a bit noisy and they have ... The first few times I went there we all loved it, everything, the service, atmosphere, ... After speaking with many in the area my sentiments have been repeated --
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www.tripadvisor.co.uk/ShowUserReviews-g41292-d634965-r1...
www.tripadvisor.co.uk/ShowUserReviews-g41292-d634965-r11932469-The_Westlawn_Inn-North_Beach_Maryland.html
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The atmosphere on Charlton Life was red-hot so god knows what it was like at the Valley! I'm glad this game is over ... there were too many underlying feelings for this to be a normal game ... and I am sure it permeated throughout the ground and ... Many Miles ... designed and coded by EZwpthemes | Bloggerized by FalconHive...
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Location:Home > ask a rocket scientist > atmosphere > q0059 ... How fast in miles per hour is Mach 2? - question from Duane Williams ... Your site and many others list the speed of sound as 761 mph, but an equal number of other sites say 742 mph. Which value is right? Why are they different?
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www.aerospaceweb.org/question/atmosphere/q0059.shtml
www.aerospaceweb.org/question/atmosphere/q0059.shtml
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Air is a mixture of many discrete gases, and its composition varies from time to time and place ... One-half of the atmosphere lies below an altitude of 5.6 kilometers (3.5 miles), and 90 percent lies below 16 kilometers (10 miles). However, traces of the atmosphere extend for thousands of kilometers beyond Earth's surface.
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wps.prenhall.com/esm_lutgens_atmosphere_9/9/2467/631759...
wps.prenhall.com/esm_lutgens_atmosphere_9/9/2467/631759.cw/index.html
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THE EARTH'S ATMOSPHERE; The Earth's atmosphere is a ... •Ionosphere: The ionosphere starts at about 43-50 miles (70-80 km) high and continues for hundreds of miles (about 400 miles = 640 km). It contains many ions and free electrons (plasma). The ions are created when sunlight hits atoms and tears off some electrons.
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www.enchantedlearning.com/subjects/astronomy/planets/ea...
www.enchantedlearning.com/subjects/astronomy/planets/earth/Atmosphere.shtml
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