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  2. Solar radio emission - Wikipedia

    en.wikipedia.org/wiki/Solar_radio_emission

    The frequency drifts from higher to lower values because it depends on the electron density, and the shock propagates outward away from the Sun through lower and lower densities. By using a model for the Sun's atmospheric density, the frequency drift rate can then be used to estimate the speed of the shock wave.

  3. Blast of energy from Sun triggers ongoing geomagnetic storm - AOL

    www.aol.com/blast-energy-sun-triggers-ongoing...

    CMEs usually take about three days to reach Earth after departing the Sun. The SWPC rates solar storms on a five-level scale , with five being the most extreme and rarest space weather conditions.

  4. The sun is at its 11-year maximum. That means another ... - AOL

    www.aol.com/sun-11-maximum-means-another...

    NASA says the sun is in the highly active "maximum phase" of its 11-year solar cycle.. That means there will probably be big solar storms bringing beautiful aurora in the next year or so. Solar ...

  5. America's northernmost town enters polar night and sun won't ...

    www.aol.com/americas-northernmost-town-enters...

    UTQIAGVIK, Alaska – America's northernmost town is about to experience the annual phenomenon of polar night.. Starting at 1:27 p.m. AKST Monday, the sun will set for the final time this year in ...

  6. List of solar eclipses visible from the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_solar_eclipses...

    Note the many solar prominences ejecting from the sun. From 1900 to 2100, the state of New Hampshire will have recorded a total of 78 solar eclipses, two of which are annular eclipses and four of which are total eclipses. One of the annular solar eclipses occurred on May 10, 1994, and the other will occur on July 23, 2093.

  7. Sunlight - Wikipedia

    en.wikipedia.org/wiki/Sunlight

    Although the solar corona is a source of extreme ultraviolet and X-ray radiation, these rays make up only a very small amount of the power output of the Sun (see spectrum at right). The spectrum of nearly all solar electromagnetic radiation striking the Earth's atmosphere spans a range of 100 nm to about 1 mm (1,000,000 nm).

  8. Town in Alaska won't see the sun for two months as it enters ...

    www.aol.com/town-alaska-wont-see-sun-191928466.html

    You can follow him on X @GabeHauari or email him at Gdhauari@gannett.com. This article originally appeared on USA TODAY: Utqiagvik, Alaska won't see the sun again until January Show comments

  9. Daylight - Wikipedia

    en.wikipedia.org/wiki/Daylight

    World map showing the areas of Earth receiving daylight around 13:00 UTC in April. Daylight is the combination of all direct and indirect sunlight during the daytime.This includes direct sunlight, diffuse sky radiation, and (often) both of these reflected by Earth and terrestrial objects, like landforms and buildings.