Space weather limits spacecraft life expectancy and is an important design consideration. It can also cause regional power outages on Earth and loss of a wide variety of space-related services, during periods of high solar activity. Space Weather SpaceWeather.com provides current and forecast conditions related to solar activity. Subscribe to FREE space weather email news with alerts. NOAA Space Environment Outreach features learning aids, like this primer on space weather. NOAA Space Weather is an outstanding site that features graphs of current solar activity and links to educational resources related to space environment. Current Space Weather conditions on the National Weather Service and NOAA Space Weather Center; NOAA; detailed explanation of the real-time solar wind data is provided. Relativistic Electron Forecast Model by USAF and NOAA predicts the occurrence of high-energy electron impact on satellites in GEO orbit to ascertain potential of single-event upsets (SEU) and satellite malfunctions. SolarMax by the San Francisco Exploratorium includes Solar and Heliocentric Observatory (SOHO) images, news, classroom activities, NASA Sun-Earth missions and Auroras. SOHO, the Solar & Heliospheric Observatory, by ESA and NASA, studies the Sun from its deep inner core to the outer corona and solar wind, which affects the Earth and orbiting satellites. Ulysses is in a polar orbit around the Sun, providing critical information about solar activity. New space weather phonomenon over Africa has adverse effect on space capabilities.

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