Giant Holes in the Sun

Get the factor 50 in

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Ah, but some of us like viewing a well upholstered female rump :wink::grin:

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It seems that the FIRST CME was on 23rd March and the SECOND was on 29th March:

A solar storm caused by a hole in the Sunā€™s atmosphere could hit Earth on Friday, March 31, 2023.

What is a coronal mass ejection?

A coronal mass ejection is a large expulsion of plasma and magnetic field from the Sunā€™s corona, and can travel at speeds ranging from slower than 250 kilometres per second, to as fast as 3,000 kilometres per second.

The formation of the CIR, the onset of the coronal hole high-speed stream influences, and other coronal mass ejection influences began by late March 23.

Coronal hole that could result in solar storm on Friday is the size of 20-30 Earths

The coronal hole which is likely to result in a solar storm that could hit Earth on Friday is about 300,000 to 400,000 kilometres across, a Business Insider report said, quoting Alex Young from NASAā€™s Goddard Space Flight Center. Young said that the size of the coronal hole is equivalent to about 20 to 30 Earths lined up back-to-back.

However, since a minor stream of solar wind is heading for Earth, the storm is likely to be less severe.

An X1.2 flare occurred from a region on the Sun on March 29, peaking at 8:03 am IST. An X1.2 solar flare is a powerful solar flare, and belongs to the X-class, which denotes the most intense flares. This resulted in an R3 HF (High Frequency) radio blackout event. An R3 event is a strong radio blackout event in which there is a wide-area blackout of high-frequency radio communication, and loss of radio contact for about an hour on the sunlight side of the Earth.

On March 24, Earth was hit by the most powerful solar storm in nearly six years. It was a severe G4 geomagnetic storm. This is a geomagnetic storm which can disrupt power systems and spacecraft operations. A major disturbance of Earthā€™s magnetosphere that occurs when there is a very efficient energy exchange from the solar wind to the space environment surrounding Earth is called a geomagnetic storm.

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Last week people reported seeing the aurora borealis in Sheffield and Filey. They sent photos in to Mr Hudson on the weather. I bet it had something to do with the solar flares.
Forget CO2 and all this carbon nonsense, the sun is directly responsible for our weather.

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It did ā€¦ :+1:

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It always has been and helped to some extent by the pull no matter how slight from other celestial bodies.

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Thatā€™s a nonsense, of course the Sun influences our weather but there are other forces at work which have a much greater effect otherwise we would be in a permanent Ice Age or drought.

Perhaps you should read up on the Milankovitch cycles. Your starter for 10ā€¦

Yes thanks Bruce, Iā€™ve been aware of the earths elliptical orbit around the sun and itā€™s many other cycles for many years. It wasnā€™t until realist was present on the site that I realised it was called ā€˜The Milankovitch Cyclesā€™ and learnt more about it from his excellent description.
To call my post ā€˜Nonsenseā€™ is a being a bit disrespectfulā€¦The sun is the primary driver of our solar system and itā€™s influence in moving large lumps of rock and gas around the universe creates all weather and climate systems on all the planets. Closer to home, it is responsible for all forms of life and the environment we find ourselves in. We are but fleas on a dogs back in comparison, and nothing that humans can do will have any permanent effect on what nature and the sun have in store for us in the future.

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Apart from the effects of total global thermonuclear war perhapsā€¦?

It seems as a species, we have more than the capability of rendering this planet completely uninhabitableā€¦

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I think you vastly overestimate what nuclear weapons can actually do Grahamā€¦
Granted, in some of the more populated areas there would be total destruction, but as with so many people these days, you donā€™t realise just how big this planet isā€¦

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There are about 15,000 weapons as of 2019, and it takes only 3 to destroy a city and there are about 4,500 cities. If you salt the weapons with Cobalt 59, the resultant reaction of Cobalt 60 radiation would render the entire surface uninhabitable, without going into the effects of UV exposure due to depleted ozone layer, which would kill anything left on the surface. Then we will talk about extremes of nuclear winter and a total shift in weather patterns.

Assuming some were able to dig a very big hole and live there for over a hundred years, then maybe someone may still be around.

Are you saying that everybody would actually get their nuclear bombs off before being destroyed Graham? I think there are a lot of ifā€™s in your postā€¦
:open_mouth:

I am merely pointing out that it is more than possible for mankind to have a permanent effect on nature by unleashing the ability to destroy both nature and ourselves. In the event of a nuclear exchange, the devastation and effects could leave this planet permanently scarred, if not uninhabitable.

There are more than enough weapons and technology to turn this world into an barren lifeless rock, if not immediately, certainly with their long term effects.

So how is Chernobyl doing now?

What Does Chernobyl Look Like Today and Can You Go There?.
Quote:
ā€œThe environment of Chernobyl is a paradox,ā€ Davies said. "Despite its reputation as a wasteland, Chernobyl has become a site of high biodiversity. Around 350,000 people were forced to abandon their homes when the exclusion zone was created in the years following the 1986 nuclear accident, and since then nature has slowly begun to recover.
"Today, the zone hosts a growing habitat for populations of elk, wolves and even an endangered species of wild horse, which were almost driven to extinction in 20th century. People I have spent time with during my Ph.D. research around Chernobyl regularly enter the zone to forage for wild berries and mushrooms, despite the risks of radiation

Or how about Hiroshima?..

Hiroshima

Or Nagasaki?

Nagasaki

Did you think that all of the satellites the Americans and Russians were sending into orbit were just so we could find our way around the country in our cars Graham?
A lot of them can pinpoint all of the missile launching locations, and even locating submarines.
Most of the nukes will be destroyed before they even get off the ground. There might even be the technology for the satellites to destroy nukes from the airā€¦I know it sounds a bit James Bond, but if its possible, you can bet itā€™s been doneā€¦

These are fairly poor examples.

Chernobly will remain radioactive for at least around 3,000 years to become safe. The result of a series of human blunders which came within a hairs breath of being much worse. But this is not the scale of what Iā€™m referring to and cannot be compared to an all-out nuclear exchange.

Hiroshima and Nagasaki have been restored, because on the scale of things, those bombs was just a tiny firecrackers compared to what is available now. The radiation levels were down to 80 percent within 24 hours after detonation. Multiple explosions of modern day weapons could contaminate for thousands of years, rendering vast areas uninhabitable.

Lets not forget the other effects of these weapons; the entire food chain would collapse due to mass extinction of animal and plantlife, genetic deformations in what survives, eco systems would fail, disease would be rampant, the air would be poisonous, as would the Sunā€™s UV radiation due to destroyed ozone layer. If such a war was severe enough, there would be no force in nature which could restore the world and what life survives would be on the level of microbes.

Iā€™m not sure about the effectiveness of satellite defence systems, assuming they even work. But it would only take a few percent to get through to cause mass devastation and shift the human sustainability of the planet down to dangerous levels.

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image

So whatā€™s the worse case scenario then Graham?