Heliophysics - Space Weather Topics
A Massive Explosion on the Sun
2007 — April 6, 2011
Last December, Japan's Hinode spacecraft observed a massive explosion on the sun. Researchers analyzing the data have now produced a must-see movie of the flare's magnetic underpinnings.
New Discovery: The Sun is Bristling with X-ray Jets
2007 — April 6, 2011
Astronomers using Japan's Hinode spacecraft have discovered a major new form of solar activity: abundant x-ray jets.
Is a New Solar Cycle About to Begin?
2007 — April 6, 2011
The solar Physicscommunity is abuzz this week. No, there haven't been any great eruptions or solar storms. The source of the excitement is a modest knot of magnetism that popped up on the sun, possibly heralding the start of a new solar cycle.
The Biggest Explosions in the Solar System
2002 — Sept. 20, 2011
NASA's HESSI spacecraft aims to unravel an explosive mystery: the origin of solar flares.
Aurora Season Begins
2002 — April 6, 2011
Autumn has arrived and that means it's time to watch out for Northern Lights.
Starshine 2 Return
2002 — April 6, 2011
A glittering satellite named Starshine 2 will disintegrate in Earth's atmosphere on April 26th.
The Resurgent Sun
2002 — April 6, 2011
Evidence is mounting that some solar cycles are doubled-peaked. The ongoing solar maximum may itself be a double -- and the second peak has arrived.
Auroras Underfoot
2002 — April 6, 2011
A group of Astronautswill never forget the day they flew right through a cloud of auroras while onboard the Space ShuttleAtlantis.
A New Kind of Solar Storm
2005 — April 6, 2011
Going to the Moon? Be careful. A new kind of solar storm can take you by surprise.
Solar Myth
2005 — April 6, 2011
With solar minimum near, the sun continues to be surprisingly active. New data show that powerful explosions can happen even during the lowest ebb of the sunspot cycle.