pictorial | High Altitude Observatory

Pages belonging to The Sun: A pictorial history

Credits

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Solar-Terrestrial Interactions

Solar-Terrestrial Interactions

The Corona Through the Solar Cycle

Soft X-ray images from the Yohkoh satellite

Hale's Sunspot Polarity Law

Two solar magnetograms taken in the descending phases of cycles 21 and 22

The Butterfly Diagram

Butterfly diagram for the time period 1900–1993

The Sunspot Cycle

Sunspots visible on the solar disk vary continuously at any given time

White Light and Magnetic Flux

Sequences of white light images (left), and corresponding magnetic inclination maps (right)

Solar Activity in X-rays

Two examples of solar activity as seen in X-rays

Two More Coronal Mass Ejections

April 14, 1980 and Oct 24, 1989: White Light images

A Coronal Mass Ejection

August 18, 1980: White Light image

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