Images related to Sunspots on April 29, 2009

A Quiet Interlude in Solar Max
Image

A Quiet Interlude in Solar Max

The Sun has been at a lull when many were expecting fierce storms and incessant sunspot activity. Could this be a double-peaked maximum?

Published Mar 6, 2013

Image of the Day Heat

Sunspots at Solar Maximum and Minimum
Image

Sunspots at Solar Maximum and Minimum

Our Sun experienced fewer sunspots in 2008 than it had since the 1957 launch of Sputnik. As of Sun-Earth Day on March 20, 2009, the Sun was continuing its quiet pattern.

Published Mar 20, 2009

Image of the Day Heat

Solar Flare Aimed at Earth
Image

Solar Flare Aimed at Earth

Published Jun 8, 2000

Image of the Day Heat

The Dawn of a New Solar Cycle
Image

The Dawn of a New Solar Cycle

On January 4, 2008, the new sunspot—about the width of the Earth, but small by Sun standards—appeared in the Sun’s Northern Hemisphere, with its north magnetic pole (red area) pointing to the right and its south magnetic pole (blue) pointing to the left.

Published Jan 17, 2008

Image of the Day Heat

The Sun Flares with Activity
Image

The Sun Flares with Activity

On January 23, 2012, satellites observed the most powerful solar radiation storm since 2005.

Published Jan 24, 2012

Image of the Day Heat Unique Imagery

New Sunspot Cycle Begins
Image

New Sunspot Cycle Begins

After a slow start, a pair of sunspots in late 2008 signaled an upswing in Solar Cycle 24.

Published Nov 12, 2008

Image of the Day Remote Sensing

Prominence from the Solar Dynamics Observatory
Image

Prominence from the Solar Dynamics Observatory

NASA's newest sun-monitoring mission captures a detailed view of a prominence erupting on March 30, 2010.

Published Apr 22, 2010

Image of the Day Heat Remote Sensing

Longyangxia Dam Solar Park
Image

Longyangxia Dam Solar Park

For now, this solar park in China’s western province of Qinghai is the largest in the world.

Published Feb 16, 2017

Image of the Day Land Human Presence

May 2010 Solar Storm
Image

May 2010 Solar Storm

A bright mass of charged particles loops from the Sun’s outer atmosphere during a solar storm on May 23, 2010. Taken two hours apart, the pair of images shows the stream of particles moving away from the Sun during a coronal mass ejection.

Published Jun 20, 2010

Image of the Day Atmosphere Heat

Solar Storm on August 1, 2010
Image

Solar Storm on August 1, 2010

A flare bursts from the Sun in this detailed image taken on August 1, 2010, by the STEREO Ahead telescope.

Published Aug 7, 2010

Image of the Day Heat