Thu, 08 Apr 2021 07:34 UTC
If you think you are safe from geomagnetic storms, think again. A new study just published in the journal
Space Weather finds that powerful storms may be twice as likely as previously thought.
Jeffrey Love of the US Geological Survey, who authored the study, analyzed Earth s strongest geomagnetic storms since the early 1900s. Previous studies looked back only to the 1950s. The extra data led to a surprise: A storm as intense as, say, the Québec Blackout of 1989 is predicted to occur, on average, about every four solar cycles. This is twice as often as estimated using only the traditional shorter dataset, says Love.
The K7RA Solar Update 04/09/2021
Tad Cook, K7RA, Seattle, reports: Sunspots were only visible on 4 days of the current reporting week on April 3-6 and now on Friday morning, still no sunspots.
As a result, average daily sunspot number declined from 11.9 last week to 6.4 currently. Average daily solar flux also dropped from 77.4 to 73.4. On Thursday the daily solar flux was 74, just above the average for the previous 7 days, 73.4. The sun remained blank.
Average daily planetary A index declined from 8.9 to 6.6, and average mid-latitude A index slipped from 7.7 to 5.6.
Predicted solar flux for the next month is 74 on April 9 – 15; 72 on April 16 – 20; 74 on April 21 – 26; 73 on April 27 – May 1; 72 on May 2 – 5; 70 on May 6 – 10, and 71 on May 11 – 12; 74 is not a high 10.7-centimeter flux value, but it should be there on May 18 and beyond.
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Exciting space tech on show at joint UK/US held demo-day
In November 2020, the Defence and Security Accelerator (DASA) hosted the world’s first International Space Pitch Day (ISPD) – a joint UK and US initiative to find and fast-track innovations that enhance space domain capabilities. The competition culminated in ten tech start-ups securing contracts each worth up to £53,000, after pitching exciting space technologies directly to UK, US and NATO military leaders.
To keep pace with evolving threats, a grand coalition of Dstl, DASA, Royal Air Force, UK Strategic Command, the US Air Force, US Space Force, and the North Atlantic Treaty Organisation (NATO) turned to the commercial sector to connect world-class space innovation to military end-users at pace.
https://www.afinalwarning.com/508671.html (Natural News) A study published in
the Astrophysical Journal suggests that the sun can unleash a massive burst of energy called a “superflare” within this century. Such an event can knock down the power grid and satellites, pushing society to the brink of collapse.
“Our study shows that superflares are rare events,” said Yuta Notsu, an astronomer currently performing research at the
The sun is not as tranquil as previously thought
Superflares are high-powered versions of solar flares, which are sudden bursts of solar energy that cause stars to appear brighter than usual. They can be seen from hundreds of light-years away and are thought to occur mostly on young and highly active stars.
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