Amazing Photos of the Sun

Jet Streams
Spicules, above, rise from the sun's interior to its chromosphere at a supersonic jet speed of more than 30,000 m.p.h. (48,000 km/h). At any given time, there are more than 60,000 spicules active on the sun. They have a life span of about 5 min.

• The Hubble Telescope's Greatest Hits