SOHO supervises the Sun
The SOHO satellite is the largest and most complicated space observatory in history for studies of the Sun. SOHO gives us the opportunity of learning more about the interior of the Sun, the mechanisms forming and warming up the corona (the outer atmosphere of the Sun) and the reasons why the Solar wind occurs and increases. |
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| What is SOHO? |
| In order to get a better understanding of how the Sun is built up and what processes take place there, ESA and NASA initiated the so-called “Solar Terrestrial Science Programme”, where the most important elements were SOHO (Solar and Heliospheric Observatory) and the Cluster satellites. |
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| Facts about the instruments |
| The 12 instruments on board SOHO may be operated independently of each other, which is important, as the information programmes for some instruments sometimes have to be changed at short notice. |
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| SOHO supervises and explores the Sun |
| Norway has substantial participation in the SOHO project, which has been Norway’s greatest area of commitment on space research. |
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| Norwegian SOHO participation |
| Norwegian researchers have through their experience and competence and their membership in ESA achieved a central participation in both SOHO and Cluster. They participate in three experiments on SOHO and four experiments on Cluster. |
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| History’s greatest comet hunter discovers 1000th comet |
| On 5 August 2005, the ESA/NASA SOHO spacecraft achieved an incredible milestone - the discovery of its 1000th comet! |
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| SOHO's first officially periodic comet |
| It is nothing new for the ESA/NASA Solar and Heliospheric Observatory (SOHO) to discover another comet – it has already found more than 1350. But the latest is a bit different - SOHO had spotted it twice before. |
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