Technology

NASA Streams Video Showing 10-Year Lapse

Washington: In a surprising hour-long video, NASA’s sun-pointing semi-autonomous spacecraft, the Photo voltaic Dynamics Observatory, has put collectively a time-lapse of its 10 years of observing the Solar.

Over the previous 10 years, the spacecraft has gathered 425 million high-resolution photos of the Solar, amassing 20 million gigabytes of knowledge, NASA stated.

This 10-year time-lapse showcases pictures taken at a wavelength of 17.1 nanometers, which is an excessive ultraviolet wavelength that exhibits the Solar’s outermost atmospheric layer — the corona.

Compiling one picture each hour, the film condenses a decade of the Solar into 61 minutes.

The video exhibits the rise and fall within the exercise that happens as a part of the Solar’s 11-year photo voltaic cycle and notable occasions, like transiting planets and eruptions.

The video has been watched by a whole bunch of 1000’s of individuals on YouTube, Twitter and different social media platforms.

The info that SDO has gathered over the previous 10 years has enabled a number of new discoveries in regards to the workings of the Solar and the way it influences the photo voltaic system.

With a triad of devices, SDO captures a picture of the Solar each 0.75 seconds.

The Atmospheric Imaging Meeting (AIA) instrument alone captures photos each 12 seconds at 10 completely different wavelengths of sunshine.

Whereas SDO has saved an unblinking eye pointed in the direction of the Solar, there have been a couple of moments it missed, NASA stated.

The darkish frames within the video are attributable to Earth or the Moon eclipsing SDO as they move between the spacecraft and the Solar.

An extended blackout in 2016 was attributable to a brief concern with the AIA instrument that was efficiently resolved after per week.

The pictures the place the Solar is off-centre had been noticed when SDO was calibrating its devices.

SDO was launched on February 11, 2010.

(IANS)

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