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SOLAR ACTIVE REGION SPOTTER

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Help track active regions as they evolve across solar rotations!
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WORDS FROM THE RESEARCHER

"You're helping solar physicists be able to study the long-term evolution of
explosive regions in the solar atmosphere! This is vitally important for
predicting when eruptions could affect Earth, as well as advancing our theories
about how the Sun works."

ABOUT SOLAR ACTIVE REGION SPOTTER

Our closest star is an enormous ball of hot plasma and tangled magnetic fields.
Sometimes, knots of these fields erupt through the surface, becoming structures
we call "active regions". These regions are compact and often very complex, and
are frequently the sources of events like solar flares and coronal mass
ejections. Their prevalence and periodic nature are also part of how we define
the 11-year solar cycle.

Because they're so important, the National Oceanic and Atmospheric
Administration (NOAA) names every active region that appears on the Sun.
However, the Sun rotates, and when an active region rotates into view, it gets a
new name -- whether it's actually a new active region or one that's returning.

This is why we need your help! By watching short clips and comparing images of
active regions to previously-observed earlier active regions, you can help tell
us which ones are baby active regions just emerging for the first time, and
which are old-timers making a repeat appearance. This information is critical to
scientists trying to understand how these regions are heated and what might make
them erupt. So join us and get spotting!

We are proudly funded by the NASA Citizen Science Seed Funding program. For more
NASA citizen science projects, go to science.nasa.gov/citizenscience.



EXTERNAL PROJECT LINKS

 * NASA Heliophysics
 * NASA Citizen Science
 * Helioviewer
 * Sun In Time
 * NOAA Space Weather Prediction Center
 * active_region

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