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| The loop of a CME heads right at a STEREO satellite. Credit: NASA/Goddard Space Flight Center |
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Artist's rendering of the STEREO "A" and "B" spacecraft using a series of lunar swingbys to get into their orbit.
Image credit: NASA/Chris Chrissotimos |
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An artist's view of STEREO.
Image credit: NASA |
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| STEREO will use stereoscopic (3-D) vision to construct a global picture of the Sun and its influences. Its objective to obtain the necessary measurements and observations to develop an understanding of the fundamental nature and origin of coronal mass ejecteions - the most energetic eruptions on the Sun and primary cause of major geomagnetic storms. Credit: STEREO |
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| Artist's concept of Ulysses at Sun's south pole. Image credit: NASA/JPL. |
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Ulysses follows an orbit that swings the spacecraft both over and under the Sun's
polar regions and as far out as the orbit of Jupiter. Credit: NASA
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| The Sun influences Earth in many ways. On one hand it provides the light and heat that sustains life on our planet. On the other hand it bathes the Earth in ultraviolet light, showers it with x-rays, gamma-rays, electrons, and atomic nuclei, and wraps the Earth in the folds of its own magnetic field. Credit: NASA |
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| The Sun is constantly emitting dangerous radiation, but the magnetic field of Earth protects us from most of the harmful effects. Credit: NASA/SOHO |
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Solar activity tends to peak on roughly an 11-year cycle.
Credit: SOHO |
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| These four pictures are four different views of the Sun. Each false-color view highlights atomic emission in different temperature regimes of the upper solar atmosphere. Yellow is 2 million Kelvin, Green is 1.5 million K, Blue is 1 million K, and Red is 60 to 80 thousand K. Image Credit: Stereo Project/NASA. |
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