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AR2835: Islands in the Photosphere

By iftttauthorways4eu on Fri Jul 02 2021

Awash in a sea of incandescent plasma and anchored in strong magnetic fields, sunspots are planet-sized dark islands in the solar photosphere, the bright surface of the Sun. Found in solar active regions, sunspots look dark only because they are slightly cooler though, with temperatures of about 4,000 kelvins compared to 6,000 kelvins for the […]

Wikipedia article of the day for July 2, 2021

By iftttauthorways4eu on Fri Jul 02 2021

Wikipedia article of the day is Green rosella. Check it out: Article-Link Summary: The green rosella (Platycercus caledonicus) is a parrot native to the Australian state of Tasmania and some Bass Strait islands. The species was described by the German naturalist Johann Friedrich Gmelin in 1788. At up to 37 cm (14.5 in) long, it is the […]

Perseverance Selfie with Ingenuity

By iftttauthorways4eu on Thu Jul 01 2021

On sol 46 (April 6, 2021) the Perseverance rover held out a robotic arm to take its first selfie on Mars. The WATSON camera at the end of the arm was designed to take close-ups of martian rocks and surface details though, and not a quick snap shot of friends and smiling faces. In the […]

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