NASA’s SDO Spies An Elongated Coronal Hole On The Sun’s Surface

NASA has released a video captured by the Solar Dynamics Observatory showing an elongated coronal hole on the surface of the sun.
A long coronal hole can be seen right down the middle of the sun in this video.
“Coronal holes are areas on the sun where the solar magnetic field extends up and out into interplanetary space, sending solar material speeding out in a high-speed stream of solar wind.”
Studying such phenomena is important because those streams occasionally make contact with Earth’s magnetic field–causing what’s known as a geomagnetic storm,” according to to the space agency.

This video was captured in extreme ultraviolet wavelengths of 193 angstroms – a type of light that is typically invisible to our eyes, but is colorized here in bronze.

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