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September Gallery

Choose from 230 pictures in our September collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


1991 Portuguese GP Featured September Print

1991 Portuguese GP

CIRCUITO ESTORIL, PORTUGAL - SEPTEMBER 22: Alain Prost, Ferrari 643 during the Portuguese GP at Circuito Estoril on September 22, 1991 in Circuito Estoril, Portugal. (Photo by LAT Images)

© Motorsport Images

Action, F1, Formula 1, Gp, Sparks

Total solar eclipse Featured September Print

Total solar eclipse

The large, shining corona of the Sun, seen during the total solar eclipse of 11 July 1991 from Baja Caifornia, Mexico. The visible corona is in fact the overlapping K-corona and F-corona. Usually it is only visible during eclipses, as the light from the Sun's photosphere drowns it out. The K-corona consists of fast-moving free electrons at a temperature of about 2 million Kelvin, at heights of about 75, 000km above the Sun's surface. The F- corona extends for many million km, and consists mainly of slow-moving particles of cosmic dust. The shape of the corona changes during the cycle of solar activity under the infuence of the Sun's magnetic field

© REV. RONALD ROYER/SCIENCE PHOTO LIBRARY