Witness the Spectacle: SDO Year 7 in 4K| 4K |#astronomy #cosmicmysteries #astrophysics
Channel: Milky_Way_Paradox
Date: 2023-08-01

The Solar Dynamics Observatory, or SDO, has now captured nearly seven years worth of ultra-high resolution solar footage. This time lapse shows that full run from two of SDO's instruments. The large orange sun is visible light captured by the Helioseismic and Magnetic Imager, or HMI. The smaller golden sun is extreme ultraviolet light from the Atmospheric Imaging Assembly, or AIA, and reveals some of the sun's atmosphere, the corona. Both appear at one frame every 12 hours. SDO's nearly unbroken run is now long enough to watch the rise and fall of the current solar cycle. The graph of solar activity shows the sunspot number, a measurement based on the number of individual spots and the number of sunspot groups. In this case, the line represents a smoothed 26-day average to more clearly show the overall trend.

Music: "Web of Intrigue" from Killer Tracks

NASA's Goddard Space Flight Center/SDO

Data visualizer
Tom Bridgman (GST)
Producer
Scott Wiessinger (KBRwyle) [Lead]
Technical support
Aaron E. Lepsch (ADNET)

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