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The image of the sun's corona, assembled from high-resolution images taken by the orbiter's Extreme Ultraviolet Imager (EUI), shows active sunspot regions with protruding glowing plasma.
The Solar Orbiter mission has captured the highest-resolution views of the sun’s surface to date, showcasing massive sunspots related to ... to create different colored light in the sky.
Individual sunspots or groups of sunspots may last anywhere from a few days to a few months, but eventually decay. Sunspots expand and contract as they move across the surface of the Sun, with diameters ranging from 16 km (10 mi) [3] to 160,000 km (100,000 mi). [4] Larger sunspots can be visible from Earth without the aid of a telescope. [5]
The aurora is expected to be bright and visible in multiple northern U.S. states Oct. 3 through Oct. 5 as well as from the lower Midwest to Oregon.
The Modern Maximum was found by Sami Solanki, Ilya G. Usoskin and colleagues [1] as the period of unusually high solar activity [2] which began with solar cycle 15 in 1914. It reached a maximum in solar cycle 19 during the late 1950s and may have ended with the peak of solar cycle 23 in 2000, as solar cycle 24 is recording, at best, very muted ...
Four solar flares occurred within 5 days from sunspot AR 12192, which is both the largest sunspot of solar cycle 24 and the largest since 1990. On October 19 there was a major X1.1-class solar flare. On October 22 an M8.7-class flare was followed by an X1.6 event.
A massive sunspot that caused last month’s intense auroras across large portions of the planet is once again returning to face the Earth.. The AR3723 sunspot, which was formerly known as AR3697 ...
Sunspot Database based on SDO (HMI) satellite observations from 2010 to nowadays with the newest data. Album of images and videos by Seán Doran, based on SDO imagery, and a longer (24 min.) YouTube video: Sun Dance; SDO 5-year timelapse video of the Sun; SDO 10-year timelapse video of the Sun