As of June 2020, NASA’s Photo voltaic Dynamics Observatory – SDO – has now been watching the Solar continuous for over a full decade. From its orbit in house round Earth, SDO has gathered 425 million high-resolution photographs of the Solar, amassing 20 million gigabytes of knowledge over the previous 10 years. This data has enabled numerous new discoveries in regards to the workings of our closest star and the way it influences the photo voltaic system.
With a triad of devices, SDO captures a picture of the Solar each zero.75 seconds. The Atmospheric Imaging Meeting (AIA) instrument alone captures photographs each 12 seconds at 10 totally different wavelengths of sunshine. This 10-year time lapse showcases photographs taken at a wavelength of 17.1 nanometers, which is an excessive ultraviolet wavelength that reveals the Solar’s outermost atmospheric layer – the corona. Compiling one photograph each hour, the film condenses a decade of the Solar into 61 minutes. The video reveals the rise and fall in exercise that happens as a part of the Solar’s 11-year photo voltaic cycle and notable occasions, like transiting planets and eruptions. The customized music, titled “Solar Observer,” was composed by musician Lars Leonhard.
This 10-year time lapse of the Solar at 17.1 nanometers (an excessive ultraviolet wavelength that reveals the Solar’s outermost atmospheric layer – the corona) reveals the rise and fall of the photo voltaic cycle and notable occasions, like transiting planets and photo voltaic eruptions. Credit score: NASA’s Goddard House Flight Middle/SDO
Whereas SDO has stored an unblinking eye pointed towards the Solar, there have been just a few moments it missed. The darkish frames within the video are attributable to Earth or the Moon eclipsing SDO as they cross between the spacecraft and the Solar. An extended blackout in 2016 was attributable to a short lived problem with the AIA instrument that was efficiently resolved after every week. The pictures the place the Solar is off-center have been noticed when SDO was calibrating its devices.
SDO and different NASA missions will proceed to look at our Solar within the years to return, offering additional insights about our place in house and data to maintain our astronauts and property secure.