Video: Watch a Solar Storm Slam into Earth

by Nancy Atkinson on August 18, 2011

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Newly reprocessed images from NASA’s STEREO-A spacecraft, allow scientists to trace the anatomy of a Coronal Mass Ejection in December 2008 as it moves and changes on its journey from the Sun to the Earth. Using a new technique, heliophysicists can now identify the origin and structure of the material that impacted Earth, and connect the image data directly with measurements at Earth at the time of impact.

The different views from left to right are at different scales. The yellow dot is Venus and the blue dot is Earth. Closer to Earth is a dial showing the solar wind density changes at Lagrangian point L1 where the ACE and Wind spacecraft recorded the event.

To learn more about new data processing techniques for STEREO data and how they are helping scientists to better understand solar storms, see our previous article.

About 

Nancy Atkinson is Universe Today's Senior Editor. She also works with Astronomy Cast, and is a NASA/JPL Solar System Ambassador.

Anonymous August 18, 2011 at 11:16 PM

[IVAN]
Should be “Coronal”, not “Cornal”
[/IVAN]

Anonymous August 20, 2011 at 11:57 PM

You have your own HTML coding now?!

Anonymous August 20, 2011 at 2:36 AM

It looks like the CME got smaller when it reaches Earth compared to what got ejected from the Sun. Unless the Earth representation is not the real scale of Earth.

Richard James Jordan August 20, 2011 at 6:24 PM

Should be, ….. carnal!

Richard James Jordan August 20, 2011 at 6:25 PM

Burn baby Burn!!!

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