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JUST A THEORY
Tag: sun
NASA Finally Admits It’s Going to Get Colder
Guest Post by Martin Armstrong
NASA has actually admitted that there may be a link between the solar climate and the earth climate. “[In] recent years, researchers have considered the possibility that the sun plays a role in global warming. After all, the sun is the main source of heat for our planet,” Nasa confirmed. Despite the constant stories of how recent years have been the hottest, historically, NASA has estimated that four of the 10 hottest years in the U.S. were actually during the 1930s, with 1934 the hottest of all. This was the Dust Bowl; the combination of vast dust storms created by drought and hot weather.
Continue reading “NASA Finally Admits It’s Going to Get Colder”
Some Questions About “Climate Change”…
Guest Post by Eric Peters
If the climate really is changing – and we’re the cause of it – then the “wrenching changes” to our lives we’re told are necessary to avert catastrophe might be something we have to accept.
Like chemotherapy for cancer.
But what if the diagnosis is wrong?
What if they are lying to us?
Maybe we should get a second opinion – or at least give it a second thought – before we jump on the “climate change” bandwagon.
I personally have a few misgivings based on a few inconvenient truths I’d like to share with you – along with some politically incorrect observations.
First, I will concede that the climate does change. But is this something abnormal? Is man responsible for it changing abnormally?
MEANWHILE….ON THE SUN
On April 17, 2016, an active region on the sun’s right side released a mid-level solar flare, captured here by NASA’s Solar Dynamics Observatory. This solar flare caused moderate radio blackouts, according to NOAA’s Space Weather Prediction Center. Scientists study active regions – which are areas of intense magnetism – to better understand why they sometimes erupt with such flares. This video was captured in several wavelengths of extreme ultraviolet light, a type of light that is typically invisible to our eyes, but is color-coded in SDO images for easy viewing.
Cold sun rising
Guest Post by Sam Khoury
New studies flip climate-change notions upside down
The sun will go into “hibernation” mode around 2030, and it has already started to get sleepy. At the Royal Astronomical Society’s annual meeting in July, Professor Valentina Zharkova of Northumbria University in the UK confirmed it – the sun will begin its Maunder Minimum (Grand Solar Minimum) in 15 years. Other scientists had suggested years ago that this change was imminent, but Zharkova’s model is said to have near-perfect accuracy.
So what is a “solar minimum”?
Our sun doesn’t maintain a constant intensity. Instead, it cycles in spans of approximately 11 years. When it’s at its maximum, it has the highest number of sunspots on its surface in that particular cycle. When it’s at its minimum, it has almost none. When there are more sunspots, the sun is brighter. When there are fewer, the sun radiates less heat toward Earth.
But that’s not the only cooling effect of a solar minimum. A dim sun doesn’t deflect cosmic rays away from Earth as efficiently as a bright sun. So, when these rays enter our atmosphere, they seed clouds, which in turn cool our planet even more and increase precipitation in the form of rain, snow and hail.
But that’s not the only cooling effect of a solar minimum. A dim sun doesn’t deflect cosmic rays away from Earth as efficiently as a bright sun. So, when these rays enter our atmosphere, they seed clouds, which in turn cool our planet even more and increase precipitation in the form of rain, snow and hail.
Solar cycles
Since the early 1800s we have enjoyed healthy solar cycles and the rich agriculture and mild northern temperatures that they guarantee. During the Middle Ages, however, Earth felt the impact of four solar minimums over the course of 400 years.
The last Maunder Minimum and its accompanying mini-Ice Age saw the most consistent cold, continuing into the early 1800s.
The last time we became concerned about cooler temperatures – possibly dangerously cooler – was in the 1970s. Global temperatures have declined since the 1940s, as measured by Pacific Decadal Oscillation. The PDO Index is a recurring pattern of ocean-atmosphere climate variability centred over the Pacific Ocean. Determined by deep currents, it is said to shift between warm and cool modes. Some scientists worried that it might stay cool and drag down the Atlantic Decadal Oscillation with it, spurring a new Ice Age. The fear was exacerbated by the fact that Earth has been in the current inter-glacial period for 10,000 years (depending on how the starting point is gauged).
If Earth were to enter the next Ice Age too quickly, glaciers could advance much further south, rainforests could turn into savannah, and sea levels could drop dramatically, causing havoc.
The BBC, all three major American TV networks, Time magazine and the New York Times all ran feature stories highlighting the scare. Fortunately, by 1978 the PDO Index shifted back to warm and the fear abated.
WATCHOUT FOR THAT SUNSPOT
Video courtesy: NASA
The Earth’s biggest sunspot in over two decades has unleashed a barrage of solar flares, including five in the strongest, X-class, over a period of eight days, a NASA video shows.
YES, THEIR VOTE COUNTS
If you thought People of Wal-Mart was too harsh of an assessment of the ignorant masses, you are wrong. Let’s hope it only takes 3% to 5% of the population to start a successful revolution.
26% of Americans Do Not Know the Earth Revolves Around the Sun
Submitted by TommyPaine on Wed, 06/25/2014 – 12:51
The National Science Foundation conducted a 10-question quiz. It was given to 2,200 Americans. One question was whether the Earth revolves around the Sun or the Sun revolves around the Earth.
74% got it right, 26% got it wrong.
http://phys.org/news/2014-02-americans-unaware-earth-circles…
So, this is what we’re up against. And these people are going to have the intellectual ability to distinguish between minarchism and anarcho-capitalism? The Non-Aggression Principle? Why non-interventionism is both pragmatic and moral? Why Austrian economic theory is right and Keynesian theory is wrong?
WE ARE NOTHING BUT SPECKS OF DUST
The audacity, hubris and arrogance of man to think we have any control over nature is breathtaking to behold. We are nothing but specks in this vast universe.
Bad news for GPS: Sun releases three powerful flares in two days
Published time: June 11, 2014 19:38
Cameras used by scientists at NASA have captured images of “significant” solar flares emitting from the sun this week.
On Wednesday, NASA reported, a third solar “X-class” flare was recorded in a span of just two days.
The flares — short-lived but incredibly powerful bursts of radiation that bring goodies from the sun like gases, plasma and other matters in the solar system — are not entirely unusual. At least two of this week’s events have been larger than normal, though, and may interfere with high-frequency radio communications and GPS signals million miles away, according to NASA.
Scientists said that the first significant solar flare was recorded early Tuesday by NASA cameras that capture activity on the sun 24 hours a day. That flare, spotted at around 7:41 a.m. EDT, was classified as an X2.2 flare — more than double the strength as an X1-level flare. Around an hour later, scientists saw an X1.5 flare, then an X1.0 early Wednesday.
NASA said in a statement that “Analysis is underway to determine potential impacts at Earth.” In the meantime, though, more incidents could be expected.
“There is the chance that additional flares could occur in the following days,” Katy Galimberti wrote Wednesday for AccuWeather. As the sun rotates, the flares could travel in a more direct path towards the Earth. The radiation from such a flare may cause radio wave disturbances to electronics, such as cell phones, GPS and radios, causing services to occasionally cut in and out.
Mark Paquette, a meteorologist with the weather site, told Galimberti that solar flares are like a “burp” from the sun.
“The ‘burp’ releases a stream of particles that comes away from the sun’s surface and sets the whole thing in motion,” he said.
According to Space.com, the latest flare on Wednesday was the eighth documented example so far in 2014 of an X-level event—the strongest of the solar flares. Even the X2.2 spotted this week was small compared to the strongest in recent months, though: in February, NASA cameras caught a colossal X4.9 glare occur on the sun.
ONE OF THESE DAYS IT WON’T MISS
SPLUUURT! A Huge Flare Explodes from the Sun
Twisted magnetic fields on the Sun suddenly released on Monday, causing a massive flare of radiation that hurled a giant loop of plasma many times larger than the Earth out into space.
This x-class flare was observed by NASA’s Solar Dynamics Observatory satellite. The video above shows SDO’s view in different wavelengths of light.
X-class solar flares are the biggest. This one was the strongest one yet observed this year, and one of the biggest during the current solar cycle.
Here are six still images showing the start of the event in different wavelengths:
These images from NASA’s Solar Dynamics Observatory at 7:25 p.m. EST on Feb. 24, 2014, show the first moments of an X-class flare in different wavelengths of light – seen as the bright spot that appears on the left limb of the sun. Hot solar material hovers above the active region in the sun’s atmosphere, the corona.
Credit: NASA/SDO
And here’s a closeup showing the sun in ultraviolet light at the time of the flare:
The X-class solar flare erupted on the left side of the sun. This composite image, captured at 7:45 p.m. EST on Feb. 24, shows the sun in ultraviolet light with wavelengths of both 131 and 171 Angstroms. (Source: NASA Goddard Spaceflight Center)
Pretty impressive! And if the huge blast of material from the sun’s atmosphere, called a coronal mass ejection, that resulted from this event were to be heading our way, satellites, radio communications, and electrical grids would be at risk. Luckily, that’s not the case, according to NOAA’s Space Weather Prediction Center:
Although impressive, the source of this event is well off the Sun-Earth line and the coronal mass ejection (CME) associated with this event is not headed directly at Earth. Analysis continues to determine what, if any, geomagnetic impact this will have.
Whew!