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27.3 MB (1.5 MB compressed)
2652 x 3597 pixels
22.4 x 30.5 cm ⏐ 8.8 x 12.0 in (300dpi)
DAVID A. HARDY / SCIENCE PHOTO LIBRARY DAVID A. HARDY / SCIENCE PHOTO LIBRARY
Magnetosphere. Artwork of satellites in the Earth's magnetic field or magnetosphere (blue lines) and the stream of charged particles emitted by the Sun (the solar wind, yellow arrows). The satellites are (from left to right): Ulysses, the Solar Heliospheric Observeratory (SOHO) and a European Remote Sensing (ERS) satellite. The solar wind flows along the Sun's magnetic field lines (red). The Earth has its own magnetic field around it which deflects most of the solar wind, creating a bow-shaped shock wave (yellow band) in it. Some particles penetrate this and pass along Earth's magnetic field lines to the polar regions. Here they cause the Northern and Southern Lights (aurorae).
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