COOL IMAGES: Sun Storms on the Horizon

Science  02 Jun 2000:
Vol. 288, Issue 5471, pp. 1543
DOI: 10.1126/science.288.5471.1543a

Magnetic field lines arc out of gigantic whorls on the surface of the sun in this picture taken with an ultraviolet telescope aboard the Solar and Heliospheric Observatory (SOHO) satellite. Launched in 1995, SOHO maintains an orbit that allows it to stare constantly at the sun, without Earth getting in the way. The satellite's 12 instruments probe the solar interior and atmosphere, as well as the solar wind, the stream of energetic particles that pours into space. The Best of SOHO gallery provides dozens of stunning images, and the pictures should soon get even better: The number of sunspots follows an 11-year cycle and will peak this summer.

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