Solar Physics Laboratory (671) Press Releases & Feature Stories Archive

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A Significant Flare Surges Off the Sun

09.10.2014
A Coronal Mass Ejection accompanied the Sept. 10, 2014, X1.6 class solar flare. The sun emitted a significant solar flare, an X1.6 class, peaking at 1:48 p.m. EDT on Sept. 10, 2014.

Filament Liftoff

09.08.2014
The long, dark solar filament that had been visible for many days finally lifted off and broke away into space (Sept. 2, 2014).

More Than Meets the Eye: NASA Scientists Listen to Data

09.04.2014
Scientists at NASA use their ears instead of eyes to process satellite data more rapidly and detect more details than through visual analysis.

Researchers Discover New Clues to Determining the Solar Cycle

09.03.2014
Scientists have found new markers in the sun's atmosphere that provide a new way to watch magnetic fields evolve and move through our closest star -- and may require adjusting

NASA's STEREO “Winks” and Provides Stunning Solar Imagery

09.03.2014
NASA's Solar Terrestrial Relations Observatory witnessed a dramatic solar eruption on Aug. 24, 2014 -- even with one of its "eyes" partially closed.

Magnetic Connections

09.03.2014
Magnetic field lines arched and twisted above a small group of active regions and even reached out to connect to each other (Aug. 18-20, 2014).

Flurry of Flares

09.03.2014
A single, dynamic active region unleashed over half a dozen solar flares in about one day (Aug. 25-26, 2014).

Triangle of Loops

08.20.2014
Three active regions in close proximity to each other produced a nice group of loops above them (Aug 12-13, 2014) as they were just rotating into view.

Why NASA Studies the Ultraviolet Sun

08.20.2014
You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight.

How the Sun Caused an Aurora on Aug. 20, 2014

08.20.2014
On the evening of Aug. 20, 2014, the ISS was flying past North America when it flew over the dazzling, green blue lights of an aurora, caused by a giant explosion, a CME, on the sun 5 days earlier.

Best Evidence Yet For Coronal Heating Theory Detected by NASA Sounding Rocket

08.01.2014
Scientists have recently gathered some of the strongest evidence to date to explain what makes the sun's outer atmosphere so much hotter than its surface.

NASA's SDO Observes a Lunar Transit

07.28.2014
On July 26, 2014, from 10:57 a.m. to 11:42 a.m. EDT, the moon crossed between NASA’s Solar Dynamics Observatory and the sun, a phenomenon called a lunar transit.

Peering through the Layers

07.28.2014
This collage of images shows an active region on the Sun taken at almost the same time in four wavelengths of extreme ultraviolet light (July 24, 2014 at about 17:56 UT).

Spun and Confused

07.23.2014
A long arch of plasma (called a prominence) was pulled this way and that by magnetic forces for a week before it finally dissipated (July 10-16, 2014).

Spots Galore

07.18.2014
The Sun sported a whole slew of sunspots over the last 11 days (July 1-10, 2014). Sunspots are darker, cooler regions on the Sun created by intense magnetic fields poking through the surface.

Sun's Plasma Burst

07.10.2014
A stream of plasma burst out from the sun, but since it lacked enough force to break away, most of it fell back into the sun (May 27, 2014).

NASA MESSENGER and STEREO Measurements Open New Window Into High- Energy Processes on the Sun

07.09.2014
MESSENGER is near enough to the sun to detect solar neutrons that are created in solar flares. How far they travel into space depends on their speed with an average lifetime of 15 minutes.

NASA's SDO Spots a Summer Solar Flare

07.09.2014
On July 8, 2014, an eruption of solar material was seen arcing up and away. After it left the sun, this became a coronal mass ejection, a giant cloud of solar material, headed toward Mars.

NASA's STEREO Entering New Stage of Operations

07.03.2014
The STEREO spacecraft's are about to enter a new phase of their journey: a time when the bright light and heat of the sun (Superior Conjunction) will stand in the way of sending data back to Earth.

Q & A for Operations of STEREO During Superior Conjunction

07.03.2014
Questions and Answers for Operations of STEREO mission during its upcoming Superior Conjunction period.

Puffing Sun Gives Birth To Reluctant Eruption

06.27.2014
On Jan 17, ESA and NASA (SOHO) spacecraft observed puffs emanating from the base of the corona and rapidly exploding outwards into interplanetary space. The puffs occurred roughly once every 3 hours.

NASA's STEREO Maps Much Larger Solar Atmosphere Than Previously Observed

06.25.2014
Using NASA's STEREO, scientists have found that the sun's atmosphere, called the corona, is even larger than thought, extending out some 5 million miles above the solar surface.

Sun Emits 3 X-class Flares in 2 Days

06.11.2014
Three X-class flares erupted from the left side of the sun on June 10-11, 2014. These images are from NASA's SDO and show light in a blend of two ultraviolet wavelengths: 171 and 131 angstroms.

NASA's SDO Sees 2 Solar Flares

06.10.2014
The sun released a second X-class flare, peaking at 8:52 a.m. EDT on June 10, 2014. This is classified as an X1.5 flare.

Coronal Hole Squared

05.13.2014
A coronal hole, almost square in its shape, is one of the most noticeable features on the Sun of late (May 5-7, 2014). A coronal hole is an area where high-speed solar wind streams into space.
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