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JOHNSON, ANDREW

all about ice ages and how they happen

theory'show it happens and or how they
Atmosphere Scientists have closed the case: Human activity is causing the Earth to get hotter. How: Primarily by burning fossil fuels, with a smaller contribution from deforestation. Scientists have considered and ruled out many other explanations for why our
Tilt The bottom line for the changes from season to season is the average daytime temperature. This depends on the amount of heating that the earth receives in a single day throughout the year, and this depends on how many hours the Sun is above the horizon an
Magnetic poles Magnetic Reversals Scientists tell us that our magnetic poles have reversed in the past, and that they will again. The last one occurred 780,000 years ago. The average time period between reversals is 450,000 years, but there isn’t really any pattern,
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milankovitch cycle Milankovitch theory describes the collective effects of changes in the Earth's movements upon its climate, named after Serbian geophysicist and astronomer Milutin Milanković, who worked on it during his internment as a First World War POW. Milanković ma
suns magnetic flip The sun's magnetic field changes polarity approximately every 11 years. It happens at the peak of each solar cycle as the sun's inner magnetic dynamo re-organizes itself. The coming reversal will mark the midpoint of Solar Cycle 24. Half of "solar max"
Created by: JOHNSON, ANDREW on 2014-03-26



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