THE TREE OF AVATAR:
NASA's Solar Dynamics Observatory (SDO) is doing more than just taking crisp pictures of the sun.
It is revealing our star as a place of intense and sometimes even alien beauty.
In today's image, we see "The Tree of Avatar."
The trunk of the tree is a twisted, gnarly pillar of magnetism containing hundreds of millions of tons of relatively cool plasma. The canopy is a cloud of million-degree gas.
As solar physicists watched this tree on April 19th, it exploded, producing one of the biggest eruptions in years.
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Posted: 11:47:11 PM
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