The most famous giant spot of the decade has caused new eruptions, disrupted radio signals in the Americas and new solar storms could occur on Friday
A sunspot AR3664 is, without a doubt, the most famous of the last decade, especially because it was responsible for the the largest solar storm since 2003. After completing one rotation of the Sun, the phenomenon caused more solar flares and radio blackouts in Brazil.
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On Monday (27), AR3664, now renamed AR3697, produced an eruption classified as X2.8 which may have been more powerful than estimated. After a short period of calm, an explosion of class X1.4 occurred again (category X events are the strongest in the official classification).
This eruption may not have been as intense as the previous one, but it lasted long enough to tear a cloud of plasma from the corona, the upper layer of the sun’s atmosphere. In other words, a coronal mass ejection (CME) has been sent into space and could hit our planet.
New solar storm
According to forecasts from the National Oceanic and Atmospheric Administration (NOAA), which monitors space weather, this CME could reach Earth and cause a geomagnetic storm this Friday (31). If the forecast is correct, the storm should be of moderate intensity.
Ultimately, the X1.4 explosion triggered a pulse of extreme ultraviolet radiation that blocked shortwave radio signals throughout the Americas, including Brazil. Operators may have lost signal on all frequencies below 30 MHz for 60 to 90 minutes after the explosion began.
Source: spaceweather.com
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Source: Terra
Rose James is a Gossipify movie and series reviewer known for her in-depth analysis and unique perspective on the latest releases. With a background in film studies, she provides engaging and informative reviews, and keeps readers up to date with industry trends and emerging talents.
