Sun celebrates solstice with flare and CME

June 22, 2011 by Karen C. Fox/Susan Hendrix
The Halo coronal mass ejection (CME) as viewed by the Solar and Heliospheric Observatory coronograph. Credit: NASA/SOHO

(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.

The flare was associated with a (CME) that bloomed off the sun at 11:09p.m. EDT (0412 UT). The movie shown above was captured by the Solar and Heliospheric Observatory spacecraft.

These 3D Heliospheric animated models, developed by the Community Coordinated Modeling Center based at the Goddard Space Flight Center, show how the CME cloud might appear as it sweeps past Earth. Credit: NASA/CCMC

Preliminary modeling shows the CME to be moving in Earth's direction at almost 500 mph (800 km/s). Geomagnetic effects and possible auroras on Earth should be moderate, appearing on June 23.

The Solar Dynamics Observatory captured this video of the C7 flare in extreme unltraviolet wavelength at 335 Ĺ. Credit: NASA/SDO

Explore further: Proba-2 shows solar eruption that touched Earth (w/ Video)

Related Stories

Proba-2 shows solar eruption that touched Earth (w/ Video)

April 14, 2010

(PhysOrg.com) -- Polar skies glowed with ghostly auroras last week during the biggest geomagnetic storm of 2010. The event owed its origin to a solar eruption a few days earlier -- revealed here in high-speed detail by ESA?s ...

Sunspot 1121 unleashes X-ray flare

November 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.

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

June 7, 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 mushroomed ...

Recommended for you

Dense star clusters shown to be binary black hole factories

July 29, 2015

The coalescence of two black holes—a very violent and exotic event—is one of the most sought-after observations of modern astronomy. But, as these mergers emit no light of any kind, finding such elusive events has been ...

Image: Hubble sees a dying star's final moments

July 31, 2015

A dying star's final moments are captured in this image from the NASA/ESA Hubble Space Telescope. The death throes of this star may only last mere moments on a cosmological timescale, but this star's demise is still quite ...

2 comments

Adjust slider to filter visible comments by rank

Display comments: newest first

omatumr
1.4 / 5 (5) Jun 22, 2011
Thanks for the story.

We don't know why, . . . yet, but solar out bursts may be linked to solar slumber.

Like the ill temper of a bear in hibernation.

With kind regards,
Oliver K. Manuel
cpergiel
5 / 5 (1) Jun 22, 2011
500 MPH or MPS?

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.