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Readers!

 

It is now July, time once again to celebrate the start of this webpage in 2010 with my annual July fund-raising campaign.

 

This year I celebrate the fifteenth anniversary since I began Behind the Black. During that time I have done more than 33,000 posts, mostly covering the global space industry and the related planetary and astronomical science that comes from it. Along the way I have also felt compelled as a free American citizen to regularly post my thoughts on the politics and culture of the time, partly because I think it is important for free Americans to do so, and partly because those politics and that culture have a direct impact on the future of our civilization and its on-going efforts to explore and eventually colonize the solar system.

 

You can’t understand one without understanding the other.

 

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Scientists: The Sun’s bright corona acts to impede coronal mass ejections

Using data gathered by the Solar and Heliospheric Observatory (SOHO) since its launch in 1995, scientists have determined that when the Sun’s corona (its atmosphere) is bright, it acts to slow and even block the ejection of coronal mass ejections (CMEs), which if they impact the Earth’s magnetic field can have a harmful effect on our modern technology.

Using data from NRL’s Large Angle and Spectrometric Coronagraph Experiment (LASCO) on board the joint European Space Agency (ESA)-NASA Solar and Heliospheric Observatory (SOHO), the NRL team [National Research Laboratory] compiled nearly three decades of observations of the solar corona. They studied the extensive dataset to investigate trends in the brightness of the Sun’s corona and compare them to CME velocities over the same period. Their study found a strong correlation between the two datasets, with bright regions of the solar corona appearing to relate to substantially slower CME velocities and, in some cases, perhaps entirely precluding CMEs.

This data will help solar weather observers better predict the arrival of CMEs, should they erupt from the Sun aimed at Earth. It will also allow them to gauge the risk of CMEs even occurring.

Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon. from any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

One comment

  • Max

    Interesting, the ball of electrical plasma that surrounds the sun called the Corona (responsible for all the light, heat, and solar wind) Acts as a barrier when magnetic fields in the photosphere get twisted and explode with the power of thousands of hydrogen bombs… deflector shield anyone?

    The area with the strongest magnetic fields, the black “Sun spots”, (which are actually brighter than the rest of the sun but they shine in the UV spectrum and we don’t see it) is also the area with the least amount of plasma above it. (Corona holes) The magnetic field is “resistance” causing electrical activity (plasma) to move around it. (The path of least resistance) The light (Electric activity from “micro flares”) are forced through the strong magnetic field at a higher energy level or frequency in the UV range giving those areas a black appearance. The magnetic field also dampens normal activity causing the area on the sun surface to be less temperature, from 9500° to 7000°F.

    The temperature also gets colder the further you get from the Sun’s surface. From a maximum of 10,000°F to as low as 6000°F. (A loss of heat of less than 2°F per mile of hydrogen, As compared to earth atmospheric heat loss of 5.4°F per thousand feet of nitrogen/oxygen… less when there’s humidity)

    You reach the chromosphere 2000 to 3000 miles above the photosphere where the temperature begins to climb drastically. Then you reach the corona at about 6000 miles above the surface of the sun.
    Even though the solar output varies less than 1% in brightness, The corona can be anywhere from 2,000,000 to 30,000,000°F (possibly double this number) which I believe this article is referring to when it talks about the regions of brighter corona.
    The most fascinating part is the output of the corona is approximately 40,000 times higher on average than the surface of the sun. A second law violation.

    from Wikipedia; (My personal preference of proposed theories)
    “Magnetic reconnection is hypothesized to be the mechanism behind solar flares, the largest explosions in the Solar System. Furthermore, the surface of the Sun is covered with millions of small magnetized regions 50–1000km across. These small magnetic poles are buffeted and churned by the constant granulation. The magnetic field in the solar corona must undergo nearly constant reconnection to match the motion of this “magnetic carpet”, so the energy released by the reconnection is a natural candidate for the coronal heat, perhaps as a series of “microflares” that individually provide very little energy but together account for the required energy.”
    “The idea that nanoflares might heat the corona was proposed by Eugene Parker in the 1980s but is still controversial.”
    https://en.wikipedia.org/wiki/Stellar_corona

    Proven by the Soho satellite nearly 30 years ago, books were written of the discoveries but it was never excepted in main stream science.

    And the story gets better, new calculations on Uranus resulting from passing in front of a star. Uranus emits 12.5% more energy than it receives from the sun, more than previously known, but still less than the other gas giants which emit 100% more. (under their atmosphere, they are all hotter than the photosphere the sun… Jupiter nearly 4 times hotter)
    https://www.sciencenews.org/article/uranus-energy-planet-sun

    The articles will tell you that they’re still “cooling down from being created four billion years ago”… they’re just cooling much slower than our “SUN”… Or there is another mechanism they’re not taking into consideration. (The ideal gas law‘s have been proven correct, why does science look the other way?) Is it to save the greenhouse theory which has never been observed in nature ever?

    Captured this anomaly on Titan from physics.org;

    While previous studies have suggested Titan’s energy budget is in balance, the researchers determined that both emitted thermal energy and absorbed solar energy decreased over the 14-year period studied. But thermal emissions dropped less—about 6.8%, compared with an 18.6% drop in solar energy at Titan.
    Interesting? The energy drops but Titan stays warm.
    The anomaly only happens on planets with atmosphere… The thicker the atmosphere the hotter the planet.
    Earth emits more heat than it receives from the sun… The earth and the moon are in the same green zone, but the earths average temperature is 100° warmer then the moons average temperature at its equator. (The craters in the polar regions are as cold as Pluto)

    Here is a chart created by NASA. If you have the ability of critical thinking… The first thing you notice is the greenhouse emits as much energy as our Sun on the top of the atmosphere. 340 W per meter squared, minus the net absorbed energy of .6 that’s it, .6… and yet the greenhouse is still invisible. As hot as the sun? Yeah right!
    https://blogs.cuit.columbia.edu/dmw2158/solar-radiation-the-earths-energy-balance/
    You’ll also notice that the yellow incoming radiation is during the peak of the day, only a few hours before it drops to zero. The outgoing radiation in red is continuous all night long. There’s no admitting of anything funny going on? How Energy is radiated all night without a source, dropping maybe 30°? While the moon drops 550°F. ???
    Just another planet with an atmosphere emitting heat without an obvious heat source. (it must be heat left over from earths creation 3 billion years ago that all that ocean and rain can’t cool down)
    rant over.

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