Solar Wind

A flow of atomic nuclei and electrons from the Sun that travels at an average speed of about two million miles per hour (400 km/s).

Resources

Facts and Figures The biggest, farthest and fastest in the...

Radio Programs

More Sirius A stellar weight-loss program Sunday, December 30, 2012
Storm Probes Plunging into the danger zone Thursday, December 20, 2012
Mariner 2 Pioneering a path to another world Thursday, December 13, 2012
Future Neighbor A future close neighbor to the Sun Thursday, June 14, 2012
Sun Power Weathering bouts of space weather Wednesday, June 13, 2012
Interstellar Skies Looking for clear interstellar skies Tuesday, November 15, 2011
Near the Edge Nearing the edge of the solar system Monday, November 14, 2011
Weather Forecasts Expanding the daily weather forecast Saturday, August 6, 2011
Space Weather Nasty weather from beyond Earth Friday, August 5, 2011
Moon and Jupiter Shielding an entire planet Saturday, May 28, 2011
Quiet Sun II A calm and peaceful Sun Sunday, August 22, 2010
Quiet Sun The Sun stays unusually calm Saturday, August 21, 2010
Weather "Weathering" the solar system Monday, July 12, 2010
Mars and Regulus II Stripping away the Martian atmosphere Monday, June 7, 2010
Uranus III Heating up a planet's atmosphere Thursday, June 3, 2010
Venus and Mercury II

Featured Images

Van Allen Probes and Earth's Van Allen radiation belts
 Dangerous Exposure Thursday, December 20, 2012
A powerful solar flare erupts on March 6, 2012
 Stormy Skies Thursday, March 8, 2012
A January 23, 2012 solar flare
 Restless Sun Monday, January 30, 2012
A comet plunges toward the Sun
 Survivor: Comet Friday, December 16, 2011
The glow of the aurora from the International Space Station
 Heavenly Lightshow Sunday, November 6, 2011
A solar eruption on June 7, 2011
 Big Splash Tuesday, June 7, 2011
Eruption of gas from the surface of the Sun
 Sun Power Wednesday, December 22, 2010
Planetary Tail Tuesday, April 6, 2010

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