Moderate Labor Day solar flare eruption

Sep 07, 2011 By Karen C. Fox
Moderate Labor Day solar flare eruption
The flare is seen here near the center of this image from SDO's Atmospheric Imaging Assembly instrument. The graph at the bottom represents GOES data showing the increase in x-ray emission as the flare erupted. Credit: NASA/SDO/LMSAL/GOES

At 9:35 PM ET on September 5, 2011, the sun emitted an Earth-directed M5.3 class flare as measured by the GOES satellite. The flare erupted from a region of the sun that appears close to dead center from Earth's perspective, an active region designated number 1283. The flare caused a slight increase of solar energetic protons some 26,000 miles above Earth's surface.

A (CME) -- another solar phenomenon that can send into space -- was associated with this flare. The CME is a relatively slow one, traveling at under 200 miles per second.

Further updates on the event will be provided as they become available.

Explore further: NASA to test making rocket fuel ingredient on Mars

More information: What is a solar flare? What is a coronal mass ejection?

For answers to these and other space weather questions, please visit the Spaceweather Frequently Asked Questions page.

add to favorites email to friend print save as pdf

Related Stories

Sun celebrates solstice with flare and CME

Jun 22, 2011

(PhysOrg.com) -- Late in the evening on June 20 the sun emitted a long lasting C7.7 small class flare that peaked around 11:25p.m. EDT. A C-class flare is a relatively small flare.

Sunspot 1121 unleashes X-ray flare

Nov 11, 2010

Active sunspot 1121 has unleashed one of the brightest x-ray solar flares in years, an M5.4-class eruption at 15:36 UT on Nov. 6th.

Solar flares: What does it take to be X-class?

Aug 10, 2011

Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ejections (CMEs). ...

NASA sees the sun having a solar blast (w/ video)

Jun 07, 2011

The Sun unleashed an M-2 (medium-sized) solar flare, an S1-class (minor) radiation storm and a spectacular coronal mass ejection (CME) on June 7, 2011 from sunspot complex 1226-1227. The large cloud of particles ...

Recommended for you

Exploring Mars in low Earth orbit

19 hours ago

In their quest to understand life's potential beyond Earth, astrobiologists study how organisms might survive in numerous environments, from the surface of Mars to the ice-covered oceans of Jupiter's moon, ...

User comments : 0