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Astronomy
Title: Astronomy
Category: Science & Technology
Details: Words: 2727 | Pages: 11.6 (approximately 235 words/page)
Astronomy
Since time immemorial, through different cultures and whenever they occur, there have been many beliefs about the northern lights. The Inuit around Hudson Bay had the following explanation of what they saw:
The sky is a huge dome of hard material arched over the flat earth. On the outside there is light. In the dome there are a large number of small holes, and trough these holes you can see the light from the outside …showed first 75 words of 2727 total…
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…showed last 75 words of 2727 total…This was the largest maximum in 300 years with more solar energy release, greater sunspot activiy and more northern lights. How much today's global warming is a result of increased solar activity is difficult to say, but we do know that when sunspots and northern lights were lacking, the climate was colder in the north.
Fig. 16. Variations in solar activity probably cause changes in climate.
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Franck Pettersen, University of Tromsų, Northern Lights Planetarium, N-9037 Tromsų, Norway
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