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Science Three big discoveries of Northern Lights
Science Three big discoveries of Northern Lights | Three big discoveries of Northern Lights |
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| Written by William Atkins | |
| Thursday, 13 December 2007 | |
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The aurora borealis is named after the Roman goddess of the dawn, Aurora, and the Greek name for the north wind, Boreas. The greenish, sometimes reddish, glow is visible in the northern sky of the Northern Hemisphere, most often from March-to-April and from September-to-October.
There are five satellites comprising the THEMIS (Time History of Events and Macroscale Interactions during Substorms) mission, which was launched by NASA on February 17, 2007, from Cape Canaveral Air Force Station, Launch Complex 17.
Each satellites carries a full compliment of instruments to allow it to study energy releases from Earth’s magnetosphere (what are called substorms).
What THEMIS Found .... |
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