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In the News – Year 2014

Holiday Lights on the Sun: Imagery of Significant Flare
Holiday Lights on the Sun: Imagery of Significant Flare
12.22.14 – The sun emitted a significant solar flare on the evening of Dec. 19.
Two Mid-Level Flares in 2 Days
Two Mid-Level Flares in 2 Days
12.19.14 – The sun emitted a mid-level flare on Dec. 18, 2014, at 4:58 p.m. EST, the sun's second in two days.
SDO Records Mid-level Flare on Dec. 16, 2014
SDO Records Mid-level Flare on Dec. 16, 2014
12.17.14 – The sun emitted a mid-level solar flare, peaking at 11:50 p.m. EST on Dec. 16, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Sun Emits a Mid-Level Flare on Dec. 4, 2014
Sun Emits a Mid-Level Flare on Dec. 4, 2014
12.04.14 – On Dec. 4, 2014, the sun emitted a mid-level solar flare, an M6.1-class, peaking at 1:25 p.m. EST. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Van Allen Probes Spot Impenetrable Barrier in Space
Van Allen Probes Spot Impenetrable Barrier in Space
11.26.14 – Two donuts of seething radiation that surround Earth, called the Van Allen radiation belts, have been found to contain a nearly impenetrable barrier that prevents the fastest, most energetic electrons from reaching Earth.
NASA's SDO Shows Moon Transiting the Sun
NASA's SDO Shows Moon Transiting the Sun
11.24.14 – On Nov. 22, 2014 the moon partially obscured the view of the sun from NASA's Solar Dynamics Observatory or SDO. This phenomenon, which is called a lunar transit, could only be seen from SDO's point of view.
NASA's SDO Sees Returning Sunspot Produce Mid-Level Flare
NASA's SDO Sees Returning Sunspot Produce Mid-Level Flare
11.17.14 – The sun emitted a mid-level solar flare, an M5.7-class, peaking at 12:48 p.m. EST on Nov. 16, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Third Mid-Level Flare From New Sunspot: Nov. 5
Third Mid-Level Flare From New Sunspot: Nov. 5
11.06.14 – A third mid-level solar flare, an M5.4-class peaking at 10:46 p.m. EST, was released on Nov. 5, 2014. This is from the same active region, labeled AR 12205, which rotated over the left limb of the sun on Nov. 3.
Tracking a Gigantic Sunspot Across the Sun
Tracking a Gigantic Sunspot Across the Sun
10.31.14 – An active region on the sun labeled AR 12192 grew into the largest such region in 24 years, firing off 10 sizable solar flares.
More Flares Erupt from Giant Sunspot
More Flares Erupt from Giant Sunspot
10.28.14 – Continuing a week's worth of substantial flares beginning on Oct.19, 2014, the sun emitted a mid-level solar flare, an M6.6-class, late on Oct. 27, 2014.
One Giant Sunspot, 6 Substantial Flares
One Giant Sunspot, 6 Substantial Flares
10.26.14 – As of Oct. 26, AR 12192, the largest active region on the sun in 24 years, has produced six substantial solar flares since Oct. 19.
NASA's SDO Observes Largest Sunspot of the Solar Cycle
NASA's SDO Observes Largest Sunspot of the Solar Cycle
10.23.14 – On Oct. 18, 2014, a sunspot rotated over the left side of the sun, and soon grew to be almost 80,000 miles across — the largest active region seen in the current solar cycle, which began in 2008.
Third Substantial Solar Flare in 2 Days
Third Substantial Solar Flare in 2 Days
10.22.14 – The sun emitted significant solar flares on the evening of Oct. 21 and the morning of Oct. 22.
SDO Observes an X-class Solar Flare
SDO Observes an X-class Solar Flare
10.20.14 – The sun emitted a significant solar flare, peaking at 1:01 a.m. EDT on Oct. 19, 2014. NASA's Solar Dynamics Observatory, which is always observing the sun, captured an image of the event.
SDO Watches Giant Filament on the Sun
SDO Watches Giant Filament on the Sun
10.03.14 – On Sept. 30, 2014, a snaking, extended filament of solar material hovered on the front of the sun — some 1 million miles across from end to end.
SDO View of M7.3 Class Solar Flare
SDO View of M7.3 Class Solar Flare
10.02.14 – The sun emitted a mid-level solar flare, an M7.3 class, peaking at 3:01 p.m. EDT on Oct. 2, 2014. NASA's Solar Dynamics Observatory, which watches the sun 24-hours a day, captured images of the flare.
NASA's Releases Images of a Mid-level Solar Flare
NASA's Releases Images of a Mid-level Solar Flare
09.29.14 – The sun emitted a mid-level solar flare, an M5.1 class, peaking at 10:58 p.m. EDT on Sept. 27, 2014. NASA's Solar Dynamics Observatory captured images of the event.
Mapping the Journey of a Giant Coronal Mass Ejection
Mapping the Journey of a Giant Coronal Mass Ejection
09.24.14 – Using NASA observatories scientists clocked a July 2012 CME as traveling between 1,800 and 2,200 miles per second as it left the sun.
The Difference Between Flares and CMEs
The Difference Between Flares and CMEs
09.22.14 – There are many kinds of eruptions on the sun. Solar flares and coronal mass ejections both involve gigantic explosions of energy, but are otherwise quite different.
New Clues to Determining the Solar Cycle
New Clues to Determining the Solar Cycle
09.03.14 – Scientists have found new markers in the sun's atmosphere that may require adjusting our theories of the solar cycle.
Researchers Look Into the Heart of a Solar Storm
Researchers Look Into the Heart of a Solar Storm
08.28.14 – An incredibly strong solar storm triggering six-hour auroras barely affected the Earth's magnetic field, puzzling scientists and raising questions.
SDO Captures Images of a Late Summer Flare
SDO Captures Images of a Late Summer Flare
08.25.14 – On Aug. 24, 2014, the sun emitted a mid-level solar flare, peaking at 8:16 a.m. EDT. NASA's Solar Dynamics Observatory captured images of the flare.
Why NASA Studies the Ultraviolet Sun
Why NASA Studies the Ultraviolet Sun
08.20.14 – You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Here's how NASA does it.
Best Evidence Yet For Coronal Heating Theory
Best Evidence Yet For Coronal Heating Theory
08.01.14 – Scientists have used data from NASA's EUNIS sounding rocket mission to provide 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
NASA's SDO Observes a Lunar Transit
07.28.14 – On July 26, 2014, the moon crossed between NASA's Solar Dynamics Observatory and the sun, a phenomenon called a lunar transit.
Van Allen Probes Show How to Accelerate Electrons
Van Allen Probes Show How to Accelerate Electrons
07.15.14 – Recent data from the Van Allen Probes suggests that a two-fold process creates exceedingly fast electrons in the Van Allen radiation belts: One mechanism gives the particles an initial boost and then a kind of electromagnetic wave called Whistlers does the final job to kick them up to such intense speeds.
NASA-Funded Mission To Study the Sun's Energy
NASA-Funded Mission To Study the Sun's Energy
07.10.14 – On July 14, 2014, the Degradation Free Spectrometers experiment will soar 180 miles into Earth's atmosphere, to help measure the sun's total energy output, known as irradiance, in these short wavelengths.
SDO Spots a Summer Solar Flare
SDO Spots a Summer Solar Flare
07.08.14 – The sun emitted a mid-level solar flare, peaking at 12:20 p.m. EDT on July 8, 2014, and NASA's Solar Dynamics Observatory captured images.
Puffing Sun Births Reluctant Eruption
Puffing Sun Births Reluctant Eruption
06.27.14 – A suite of NASA's sun-gazing spacecraft have spotted an unusual series of solar eruptions.
Sun's Atmosphere Larger Than Previously Observed
Sun's Atmosphere Larger Than Previously Observed
06.25.14 – Scientists have found that the sun's atmosphere, the corona, is larger than thought, extending out some 5 million miles from the solar surface.
Sun Emits 3 X-class Flares in 2 Days
Sun Emits 3 X-class Flares in 2 Days
06.11.14 – The sun emitted three significant solar flares in less than 24 hours on June 10-11. NASA's Solar Dynamics Observatory captured views of all three.
SDO Sees 2 Summer Solar Flares
SDO Sees 2 Summer Solar Flares
06.10.14 – The sun emitted two significant solar flares on June 10, 2014. NASA's Solar Dynamics Observatory captured views of both.
Mid-level Solar Flare Erupts from the Sun
Mid-level Solar Flare Erupts from the Sun
05.08.14 – The sun emitted a mid-level solar flare, an M5.2, peaking at 6:07 a.m. EDT on May 8, 2014, and NASA's Solar Dynamics Observatory captured images of it.
X-class Flare Erupts from Sun on April 24
X-class Flare Erupts from Sun on April 24
04.25.14 – The sun emitted a significant solar flare, an X1.4-class, peaking at 8:27 p.m. EDT on April 24, 2014.
Sun Emits a Mid-level Solar Flare
Sun Emits a Mid-level Solar Flare
04.18.14 – The sun emitted a mid-level solar flare, an M7, peaking at 9:03 a.m. EDT on April 18, 2014, and NASA's Solar Dynamics Observatory captured images of the event.
Bright Points Mark Patterns Inside Sun
Bright Points Mark Patterns Inside Sun
04.17.14 – Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface.
NASA Releases Images of X-class Solar Flare
NASA Releases Images of X-class Solar Flare
03.31.14 – The sun emitted a significant solar flare, peaking at 1:48 p.m. EDT March 29, 2014, and NASA's Solar Dynamics Observatory captured images of the event.
Van Allen Probes Reveal Zebra Stripes in Space
Van Allen Probes Reveal Zebra Stripes in Space
03.19.14 – NASA's twin Van Allen Probes spacecraft have shown that a radiation belt surrounding Earth displays a persistent pattern that resembles slanted zebra stripes.
Mid-Level Solar Flare Seen by NASA's SDO
Mid-Level Solar Flare Seen by NASA's SDO
03.13.14 – The sun emitted a mid-level solar flare, peaking at 6:34 p.m. EDT on March 12, 2014, and NASA's Solar Dynamics Observatory, or SDO, captured an image of it.
Giant Sunspot Makes Third Trip Across the Sun
Giant Sunspot Makes Third Trip Across the Sun
02.28.14 – A giant sunspot, a magnetically strong and complex region on the sun's surface, has appeared over the left limb of the sun for its third trip across the face of the sun.
SDO Sees Significant Solar Flare
SDO Sees Significant Solar Flare
02.25.14 – NASA's Solar Dynamics Observatory captured images of a significant solar flare, which peaked at 7:49 p.m. EST on Feb. 24, 2014.
NASA Video Recaps SDO's Year Four
NASA Video Recaps SDO's Year Four
02.11.14 – NASA released a movie of some of SDO's best sightings of its fourth year in orbit, including massive solar explosions and giant sunspot shows.
Sun Emits Mid-Level Solar Flare
Sun Emits Mid-Level Solar Flare
02.04.14 – The sun emitted a mid-level solar flare, beginning at 11:57 p.m. EST on Feb. 3, 2014, and peaking at midnight EST.
NASA's SDO Sees a Solar Flare and a Lunar Transit
NASA's SDO Sees a Solar Flare and a Lunar Transit
01.30.14 – The sun emitted a mid-level solar flare, peaking at 11:11 a.m. EST on Jan. 30, 2014. Images of the flare were captured by NASA's Solar Dynamics Observatory, or SDO, shortly after the observatory witnessed a lunar transit.
NASA's SDO Sees Lunar Transit
NASA's SDO Sees Lunar Transit
01.30.14 – On Jan 30, 2014, at 8:31 a.m EST, the moon began to move between NASA's Solar Dynamics Observatory, or SDO, and the sun, giving the observatory a view of a partial solar eclipse from space.
Weak CME Arrives and Sparks Aurora
Weak CME Arrives and Sparks Aurora
01.10.14 – On Jan. 9, 2014, at 2:32 p.m. EST, a coronal mass ejection, or CME, that left the sun on Jan. 7, reached near-Earth space.
NASA Releases Images of January Solar Flare
NASA Releases Images of January Solar Flare
01.07.14 – The sun emitted a mid-level solar flare, an M7.2 class, peaking at 5:13 a.m. EST on Jan. 7, 2014.
Two Solar Flares Say Goodbye 2013 and Welcome 2014
Two Solar Flares Say Goodbye 2013 and Welcome 2014
01.02.14 – The sun ushered out 2013 and welcomed 2014 with two mid-level flares on Dec. 31, 2013 and Jan. 1, 2014.