The past month has seen a startling increase in activity by the Sun with four powerful X-class solar flares recorded; including one that measured as a X9.3, the strongest since 2005. Coronal mass ejections (CME) – huge arcs of plasma that erupt from the Sun’s surface – interfered with GPS, and high-frequency radio transmissions, and generated spectacular aurora displays. But, in addition to the sudden intensity of these events, this recent burst of activity has left scientists scratching their more

In the music of the universe, one of the most important sounds to us here on Earth is the song the Sun sings: every system has a resonance, and especially large and energetic ones like the Sun produce sounds that rebound back and forth though its vast sphere. These sound waves can be studied to glean information about the interior workings of our spheres that we would otherwise not be able to access, and recent changes in the Sun’s music has researchers that pay attention to this tune concerned.
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