NASA just released a video captured by the Solar Dynamics Observatory showing an elongated coronal hole on the surface of the sun.
NASA just released a video captured by the Solar Dynamics Observatory showing an elongated coronal hole on the surface of the sun.
According to the space agency, "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.
NASA just released a video captured by the Solar Dynamics Observatory showing an elongated coronal hole on the surface of the sun.
According to the space agency, "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.
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