Advertisements

Active region is active.

Coronal mass ejection on February 27, 2011

Active region 1163-1164 kept the show going this morning, February 27 2011, with a large coronal mass ejection (CME) that erupted at around 4:30am EST from the Sun’s western limb. The animation above was made from ten high-resolution images taken by the Solar Dynamics Observatory, and shows this particular flare in action. (Click the image for a larger version of the animation.)

The small circle at upper left is the proportional size of Earth.

Coronal mass ejections are huge bubbles of gas bounded by magnetic field lines that are ejected from the Sun over the course of several minutes or even hours. If they are directed toward Earth, the cloud of charged solar particles can interact with our magnetosphere and cause anything from increased auroral activity to radio interference to failure of sensitive electromagnetic equipment.

As this active region rotates towards Earth over the next few days we may come under fire from solar flares aimed our way…or not. Really no way to predict such things until we see them happen, in which case we have a day or so before the ejected particle cloud crosses the 93 million miles between the Sun and Earth.

This same region produced a large flare just a couple of days ago…view an animation of that here.

Image: Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. Animation by J. Major.

Advertisements

About Jason Major

Jason is a Rhode Island-based graphic designer, photographer, nature lover, space exploration fanatic, and coffee addict. In no particular order.

Posted on February 28, 2011, in sun and tagged , , , , , , , , . Bookmark the permalink. Leave a comment.

Have an opinion about this? Leave a comment:

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: