Seasonal Year-Long Cycles discovered on the Sun
Our sun is constantly changing, the activity cycle peaks approximately every 11 years. New research shows evidence of a shorter time cycle as well, with
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Puffing Sun
An unusual series of impressive eruptions spotted by a suite of NASA’s sun-gazing spacecraft, in which a series of fast puffs forced the slow ejection
Magnetic Loops on the Sun
This image of magnetic loops (like flux ropes) on the sun, captured by NASA’s Solar Dynamics Observatory (SDO). It has been processed to highlight the
Graceful, Gradient Sun
Our Graceful Sun can be seen thru a gradient filter, in this impressive video from NASA’s Goddard Space Flight Center. Sometimes science and art can
Aurora Australis from Space
Aurora Australis captured by NASA’s IMAGE satellite and overlaid onto NASA’s satellite-based Blue Marble image. Auroras are caused by solar activity, but the sun doesn’t
Weather forecaster for Venus
At first glance, a weather forecaster for Venus would have either a really easy or a really boring job, depending on your point of view.
Sun’s spiraling active region in profile (video)
Cascades of spiraling magnetic loops observed in extreme ultraviolet light by SDO (Solar Dynamics Observatory) danced and twisted above an active region on the Sun
Zodiacal light- a ghostly glow
One of the rarest of Earth’s astronomical events is a ghostly glow called the zodiacal light that the ancient Greeks believed that it was caused
First ever STEREO images of the entire Sun
On Feb. 6th, NASA’s twin STEREO probes moved into position on opposite sides of the sun, and they are now beaming back uninterrupted images of
