Tag: stability (page 1 of 3)

Disclosure Process

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ARCHANGEL MICHAEL ✔ THE PHYSICAL VESSEL: A WONDROUS, SACRED CREATION LM 5 2017

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Pleiadian High Council of Seven – New Data and Informaion – October-04-2016

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Is The CIA Manipulating The Weather?

Derrick Broze, ContributorIn a recent speech, the director of the Central Intelligence Agency discussed the controversial topic of geoengineering, leading some activists to ask whether the agency is actively and deliberately modifying the weather.​In late June, John Brennan, director of the Central Intelligence Agency, spoke at a Council on Foreign Relations meeting about threats to global security. Director Brennan mentioned a number of threats to stability before di [...]

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Archangel Gabriel: The Inner Spirit Working Outward In Your Life Is The Only Place Where Stability

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Galactic Federation of Light SaLuSa July 3 2015

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Galactic Federation of Light Arcturian Group May 24 2015

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The Class-Domination Theory of Power

by G. William DomhoffNOTE: WhoRulesAmerica.net is largely based on my book,Who Rules America?, first published in 1967 and now in its7th edition. This on-line document is presented as a summary of some of the main ideas in that book.Who has predominant power in the United States? The short answer, from 1776 to the present, is: Those who have the money -- or more specifically, who own income-producing land and businesses -- have the power. George Washington was one of the biggest landowner [...]

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Could Saturn’s moon Titan host an alternate type of life?


Titan


Excerpt from mashable.com

In a world first, chemical engineers have taken a different look at a question astronomers and biologists have been pondering for decades: Does Saturn moon Titan host life?

Of course, Titan is way too hostile for life as we know it to eke out an existence — it is a frigid world awash with liquid methane and ethane and a noxious atmosphere devoid of any liquid water. But say if there is a different kind of biology, a life as we don't know it, thriving on the organic chemistry that is abundant on Titan's surface?

Normally, astrobiologists combine what we know about Earth's biosphere and astronomers zoom in on other stars containing exoplanets in the hope that some of those alien world have some similarities to Earth. By looking for small rocky exoplanets orbiting inside their star's habitable zones, we are basically looking for a "second Earth" where liquid water is at least possible. Where there's liquid water on Earth, there's inevitably life, so scientists seeking out alien life 'follow the water' in the hope of finding life with a similar terrestrial template on other planets.

Titan, however, does not fall into this category, it is about as un-Earth-like as you can get. So, chemical molecular dynamics expert Paulette Clancy and James Stevenson, a graduate student in chemical engineering, from Cornell University, Ithaca, New York, have looked at Titan in a different light and created a theoretical model of a methane-based, oxygen-free life form that could thrive in that environment.

There is no known template for this kind of life on Earth, but the researchers have studied what chemicals are in abundance on Titan and worked out how a very different kind of life could be sparked.

As a collaborator on the NASA/ESA Cassini-Huygens mission, Lunine, professor in the Physical Sciences in the College of Arts and Sciences’ Department of Astronomy, has been fascinated with the possibility of methane-based life existing on Titan for some time, so he joined forces with Clancy and Stevenson to see what this hypothetical life form might look like.

In their research published in the journal Science Advances on Feb. 27, Clancy and Stevenson focused on building a cell membrane "composed of small organic nitrogen compounds and capable of functioning in liquid methane temperatures of 292 degrees below zero (Fahrenheit; or 94 Kelvin)," writes a Cornell press release. On Earth, water-based molecules form phospholipid bilayer membranes that give cells structure, housing organic materials inside while remaining permeable. On Titan, liquid water isn't available to build these cell membranes.

"We're not biologists, and we're not astronomers, but we had the right tools," said Clancy, lead researcher of the study. "Perhaps it helped, because we didn't come in with any preconceptions about what should be in a membrane and what shouldn't. We just worked with the compounds that we knew were there and asked, 'If this was your palette, what can you make out of that?'"

The researchers were able to model the ideal cell that can do all the things that life can do (i.e. support metabolism and reproduction), but constructed it from nitrogen, carbon and hydrogen-based molecules that are known to exist in Titan's liquid methane seas. This chemical configuration gives this theoretical alien cell stability and flexibility in a similar manner to Earth life cells.
"The engineers named their theorized cell membrane an 'azotosome,' 'azote' being the French word for nitrogen. 'Liposome' comes from the Greek 'lipos' and 'soma' to mean 'lipid body;' by analogy, 'azotosome' means 'nitrogen body.'" — Cornell
"Ours is the first concrete blueprint of life not as we know it," said lead author Stevenson, who also said that he was inspired, in part, by Isaac Asimov, who wrote the 1962 essay "Not as We Know It" about non-water-based life.

Having identified a possible type of cell membrane chemistry that functions in the Titan environment as a cell on Earth might, the next step is to model how such a hypothetical type of biology would function on Titan. In the long run, we might also be able to model what kinds of observable indicators we should look for that might reveal that alien biology's presence.

That way, should a mission be eventually sent to Titan's seas, sampling the chemical compounds in the soup of organics may reveal a biology of a very alien nature.
Scientists have been trying to know if life could exist on Titan, the largest moon of Saturn. According to scientists, there are possibilities that life could survive amidst methane-based lakes of Titan. After conducting many studies, they have found signs of life on Titan, but the scientists also said that life will not be like life on earth.
As per some scientific reports, Titan is the only object other than earth which has clear evidence of stable bodies of surface liquid. Like earth, the moon has mountains, islands, lakes and storms, but it doesn’t have oxygen, which is a major element to support life. It means that only oxygen-free and methane-based can exist on Titan.
According to lead researcher Paulette Clancy, “We didn’t come in with any preconceptions about what should be in a membrane and what shouldn’t. We just worked with the compounds that, we knew were there and asked, ‘If this was your palette, what can you make out of that”.
Clancy said although they are not biologists or astronomers, they had the right tools to find life on Saturn’s largest moon. Adding to that, the researchers didn’t know what should be in a membrane and what should be not. They worked with compounds and found that life can exist on Titan, but would be very different from earth’s life, Clancy added.
According to reports, the researchers had used a molecular dynamics method to know about Titan. They screened for suitable candidate compounds from methane for self-assembly into membrane-like structures. As per the researchers, the most promising compound they discovered was an acrylonitrile azotosome, which is present in the atmosphere of Titan.
As per the researchers, acrylonitrile has shown good stability and flexibility similar to that of phospholipid membranes on Earth. It means that the Saturn largest has atmosphere and conditions to support life in a different way than earth.
- See more at: http://perfscience.com/content/2141391-life-titan-would-be-different-earth#sthash.2Kqc3Ewf.dpuf

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Scientists Believe Oxygen Free Methane Based Aliens Might Exist on Icy Saturn Moon Titan





Excerpt from viralglobalnews.com

A group of scientists at Cornell University believe that Titan, one of Saturn’s moons, may be a haven of life. However, it would not be in the form that human beings know. Methane based life forms might live on Titan, the scientists have said, after they created a model of an oxygen free life form which would be able to thrive in the icy, unforgiving conditions that Saturn’s moon offers.
They studied the various forms of cell membranes that exist on Earth, which are made up of lipid bi-layer structures. The Cornell scientists said such membranes would not be able to exist in environments where liquid water could not be present, according to Design and Trend.
Titan has plenty of lakes filled with methane, so that means it might not be habitable in the way that scientists had formerly described habitability. However, Dr. James Stevenson and his team thinks that contrarily structured membranes could offer the foundation for life to exist on Saturn’s moon. The model they created used organic nitrogen mixtures, so that the new structure could easily function on Titan in the richness of the methane that exists in liquid form there.

 Titan

Dr. Stevenson said it was Isaac Asimov, the celebrated sci-fi writer, who first gave the rudimentary inspiration for the idea in the paper he penned, which was called the Not as We Know It essay. It was written about non-water-based life forms. Because Saturn’s moon is the only known celestial form in the solar system to have naturally occurring fluids on its surface, except for the Earth, the group of scientists believe it to be a possible perfect foundation for life forms to develop.
Dr. Paulette Clancy, who has helped lead the group, constructed an “azotosome.” It is comparable in name origin to liposome which comes from the Greek words lipos and soma. An azotosome comes from the French word for nitrogen. Therefore, the word is describing a nitrogen body.
Instead of trying to find alien life within the area that surrounds the Sun where water exists in liquid form, the group decided to try and imagine a new kind of cell, grounded on methane instead of water. Clancy and the team were dumbfounded to find that this new projected model presented an alike stability to the cell membranes already here on Earth.
Dr. Clancy seemed very anxious to carry on the group’s work and find out how such compounds would truly work in the methane atmosphere. Dr. Jonathan Lunine, who is a top expert in Titan and also one of the co-authors of the study, thinks that it might be possible in the future to in fact test these theories by actually examing organic material from Saturn’s moon. In the years to come, Dr. Lunine stated that probes might be sent to Titan to gather the needed material by floating down on the methane seas of the moon of Saturn.
The group discovered a compound they named acrylonitrile azotosome, which appeared to show good stability. It had a strong barricade to decomposition, and a suppleness that was similar to phospholipid membranes that exist on Earth. Acrylonitrile is a poisonous, colorless, liquid organic compound that is used in the production of acrylic fibers and thermoplastics and it is present in Titan’s atmosphere as well.
They have written up about their discovery and what they believe to be possible. The scientists’ paper was printed up in the journal Science Advances on Friday.

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The Best Star Gazing Binoculars for 2015




Excerpt from space.com

Most people have two eyes. Humans evolved to use them together (not all animals do). People form a continuous, stereoscopic panorama movie of the world within in their minds. With your two eyes tilted upward on a clear night, there's nothing standing between you and the universe. The easiest way to enhance your enjoyment of the night sky is to paint your brain with two channels of stronger starlight with a pair of binoculars. Even if you live in — or near — a large, light-polluted city, you may be surprised at how much astronomical detail you'll see through the right binoculars!
Our editors have looked at the spectrum of current binocular offerings. Thanks to computer-aided design and manufacturing, there have never been more high-quality choices at reasonable prices. Sadly, there's also a bunch of junk out there masquerading as fine stargazing instrumentation. We've selected a few that we think will work for most skywatchers.
There was a lot to consider: magnification versus mass, field of view, prism type, optical quality ("sharpness"), light transmission, age of the user (to match "exit pupil" size, which changes as we grow older), shock resistance, waterproofing and more. 

The best binoculars for you

"Small" astronomy binoculars would probably be considered "medium" for bird watching, sports observation and other terrestrial purposes. This comes about as a consequence of optics (prism type and objective size, mostly). "Large" binoculars are difficult to use for terrestrial applications and have a narrow field of view. They begin to approach telescope quality in magnification, resolution and optical characteristics.

Most of our Editors' Choicesfor stargazing binoculars here are under $300. You can pay more than 10 times that for enormous binocular telescopes used by elite enthusiasts on special mounts! You'll also pay more for ruggedized ("mil spec," or military standard) binoculars, many of which suspend their prisms on shock mounts to keep the optics in precise alignment.

Also, our Editors' Choices use Porro prism optics. Compact binoculars usually employ "roof" prisms, which can be cast more cheaply, but whose quality can vary widely. [There's much more about Porro prisms in our Buyer's Guide.]
We think your needs are best served by reviewing in three categories.
  • Small, highly portable binoculars can be hand-held for viewing ease.
  • Medium binoculars offer higher powers of magnification, but still can be hand-held, if firmly braced.
  • Large binoculars have bigger "objective" lenses but must be mounted on a tripod or counterweighted arm for stability.
Here's a detailed look at our Editor's Choice selections for stargazing binoculars:

Best Small Binoculars 

Editor's Choice: Oberwerk Mariner 8x40 (Cost: $150)

Oberwerk in German means "above work." The brand does indeed perform high-level optical work, perfect for looking at objects above, as well as on the ground or water. Founder Kevin Busarow's Mariner series is not his top of the line, but it benefits greatly from engineering developed for his pricier models. The Oberwerk 8x40’s treat your eyes to an extremely wide field, at very high contrast, with razor-sharp focus; they are superb for observing the broad starscapes of the Milky Way. Just 5.5 inches (14 cm) from front to back and 6.5 inches wide (16.5 cm), the Mariners are compact and rugged enough to be your favorite "grab and go binoculars." But at 37 ounces, they may be more than a small person wants to carry for a long time.


Runner-Up: Celestron Cometron 7x50 (Cost: $30)

Yes, you read that price correctly! These Celestron lightweight, wide-field binoculars bring honest quality at a remarkably low price point. The compromise comes in the optics, particularly the prism's glass type (you might see a little more chromatic aberration around the edges of the moon, and the exit pupil isn't a nice, round circle). Optimized for "almost infinitely distant" celestial objects, these Cometrons won't focus closer than about 30 feet (9.1 meters).  But that's fine for most sports and other outdoor use. If you're gift-buying for multiple young astronomers – or you want an inexpensive second set for yourself – these binoculars could be your answer. Just maybe remind those young folks to be a little careful around water; Celestron claims only that the Cometrons are "water resistant," not waterproof. 


Honorable Mention: Swarovski Habicht 8x30 (Cost: $1,050)

From the legendary Austrian firm of Swarovski Optik, these "bins" are perfect. Really. Very sharp. Very lightweight. Very wide field. Very versatile. And very expensive! Our editors would have picked them if we could have afforded them. 

Honorable Mention: Nikon Aculon 7x50 (Cost: $110) 

Nikon's legendary optical quality and the large, 7mm exit pupil diameter make these appropriate as a gift for younger skywatchers. 

Best Medium Binoculars

Editor's Choice: Celestron SkyMaster 8x56 (Cost: $210)

A solid, chunky-feeling set of quality prisms and lenses makes these binoculars a pleasant, 38oz. handful. A medium wide 5.8 degrees filed of view and large 7mm exit pupil brings you gently into a sweet sky of bright, though perhaps not totally brilliant, stars. Fully dressed in a rubber wetsuit, these SkyMasters are waterproof. Feel free to take them boating or birding on a moist morning. Their optical tubes were blown out with dry nitrogen at the factory, then sealed. So you can expect them not to fog up, at least not from the inside. Celestron's strap-mounting points on the Skymaster 8x56 are recessed, so they don't bother your thumbs, but that location makes them hard to fasten. 


Runner-Up: Oberwerk Ultra 15x70 (Cost: $380)

The most rugged pair we evaluated, these 15x70s are optically outstanding. Seen through the Ultra's exquisitely multi-coated glass, you may find yourself falling in love with the sky all over again. Oberwerk's method of suspending their BAK4 glass Porro prisms offers greater shock-resistance than most competitors’ designs. While more costly than some comparable binoculars, they deliver superior value. Our only complaint is with their mass: At 5.5 lbs., these guys are heavy!  You can hand-hold them for a short while, if you’re lying down. But they are best placed on a tripod, or on a counterweighted arm, unless you like shaky squiggles where your point-source stars are supposed to be. Like most truly big binoculars, the eyepieces focus independently; there’s no center focus wheel. These "binos" are for true astronomers. 


Honorable Mention: Vixen Ascot 10x50 (Cost:$165)

These quirky binoculars present you with an extremely wide field. But they are not crash-worthy – don't drop them in the dark – nor are they waterproof, and the focus knob is not conveniently located. So care is needed if you opt for these Vixen optics. 

Best Large Binoculars

Don't even think about hand-holding this 156-ounce beast! The SkyMaster 25x100 is really a pair of side-by-side 100mm short-tube refractor telescopes. Factor the cost of a sturdy tripod into your purchase decision, if you want to go this big.  The monster Celestron comes with a sturdy support spar for mounting. Its properly multi-coated optics will haul in surprising detail from the sky.  Just make sure your skies are dark; with this much magnification, light pollution can render your images dingy. As with many in the giant and super-giant class of binoculars, the oculars (non-removable eyepieces) focus separately, each rotating through an unusually long 450 degrees.  Getting to critical focus can be challenging, but the view is worth it. You can resolve a bit of detail on face of the new moon (lit by "Earthshine") and pick out cloud bands on Jupiter; tha's pretty astonishing for binoculars. 


Runner-Up: Orion Astronomy 20x80 (Cost: $150)

These big Orions distinguish themselves by price point; they're an excellent value. You could pay 10 times more for the comparably sized Steiners Military Observer 20x80 binoculars! Yes, the Orions are more delicate, a bit less bright and not quite as sharp. But they do offer amazingly high contrast; you'll catch significant detail in galaxies, comets and other "fuzzies." Unusually among such big rigs, the Astronomy 20x80 uses a center focus ring and one "diopter" (rather than independently focusing oculars); if you’re graduating from smaller binoculars, which commonly use that approach, this may be a comfort. These binoculars are almost lightweight enough to hold them by hand. But don't do that, at least not for long periods. And don't drop them. They will go out of alignment if handled roughly. 


Honorable Mention: Barska Cosmos 25x100 (Cost: $230)

They are not pretty, but you're in the dark, right? Built around a tripod-mountable truss tube, these Barskas equilibrate to temperature quickly and give you decent viewing at rational cost. They make for a cheaper version of our Editors' Choice Celestron SkyMasters. 

Honorable Mention: Steiner Observer 20x80 (Cost: $1,500)

Not at all a practical cost choice for a beginning stargazer, but you can dream, can't you? These Steiner binoculars are essentially military optics "plowshared" for peaceful celestial observing. 

Why we chose NOT to review certain types

Image stabilized?

Binoculars with active internal image stabilization are a growing breed. Most use battery-powered gyroscope/accelerometer-driven dynamic optical elements. We have left this type out of our evaluation because they are highly specialized and pricey ($1,250 and up). But if you are considering active stabilization, you can apply the same judgment methods detailed in our Buyer's Guide.

Comes with a camera?

A few binoculars are sold with built-in cameras. That seems like a good idea. But it isn't, at least not for skywatching. Other than Earth's moon, objects in the night sky are stingy with their photons. It takes a lengthy, rock-steady time exposure to collect enough light for a respectable image. By all means, consider these binocular-camera combos for snapping Facebook shots of little Jenny on the soccer field. But stay away from them for astronomy.

Mega monster-sized?

Take your new binoculars out under the night sky on clear nights, and you will fall in love with the universe. You will crave more ancient light from those distant suns. That may translate into a strong desire for bigger stereo-light buckets.

Caution: The next level up is a quantum jump of at least one financial order of magnitude. But if you have the disposable income and frequent access to dark skies, you may want to go REALLY big. Binocular telescopes in this class can feature interchangeable matching eyepieces, individually focusing oculars, more than 30x magnification and sturdy special-purpose tripods. Amateurs using these elite-level stereoscopes have discovered several prominent comets.

Enjoy your universe

If you are new to lens-assisted stargazing, you'll find excellent enhanced views among the binocular choices above. To get in deeper and to understand how we picked the ones we did, jump to our Buyer's Guide: How to Choose Binoculars for Sky Watching.

You have just taken the first step to lighting up your brain with star fire. May the photons be with you. Always. 

Skywatching Events 2015

Once you have your new binoculars, it's time to take them for a spin. This year intrepid stargazers will have plenty of good opportunities to use new gear.

On March 20, for example, the sun will go through a total solar eclipse. You can check out the celestial sight using the right sun-blocking filters for binoculars, but NEVER look at the sun directly, even during a solar eclipse. It's important to find the proper filters in order to observe the rare cosmic show. 

Observers can also take a look at the craggy face of the moon during a lunar eclipse on April 4. Stargazers using binoculars should be able to pick out some details not usually seen by the naked eye when looking at Earth's natural satellite.

Skywatchers should also peek out from behind the binoculars for a chance to see a series of annual meteor showers throughout the year.

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Meteorite is ‘hard drive’ from space ~ Researchers decode ancient recordings from asteroid ~ BBC


Pallasite meteorite
The Esquel meteorite consists of gem-quality crystals embedded in metal.



Excert from bbc.com

Researchers have decoded ancient recordings from fragments of an asteroid dating back billions of years to the start of the Solar System. 

They found tiny "space magnets" in meteorites which retain a memory of the birth and death of the asteroid's core.
Like the data recorded on the surface of a computer hard drive, the magnetic signals written in the space rock reveal how Earth's own metallic core and magnetic field may one day die.

The work appears in Nature journal.

Using a giant X-ray microscope, called a synchrotron, the team was able to read the signals that formed more than four-and-a-half billion years ago, soon after the birth of the Solar System.

Start Quote

It's like a cosmic archaeological mission”
Dr James Bryson University of Cambridge
The meteorites are pieces of a parent asteroid that originally came from asteroid belt, between Mars and Jupiter.
They represents the left-over fragments of a planet that failed to form. The magnetic recording within it traps a signal of the precise moments when an iron-rich core formed in the asteroid as well as when it froze, killing its magnetic field.
The new picture of metallic core solidification in the asteroid provide clues about the magnetic field and iron-rich core of Earth.
Core values "Ideas about how the Earth's core evolved through [our planet's] history are really changing at the moment," lead researcher Dr Richard Harrison, from the University of Cambridge, told BBC News.
"We believe that Earth's magnetic field is linked to core solidification. Earth's solid inner core may have started to form at very interesting time in terms of the evolution of life on Earth.
"By studying an asteroid we get to see this in fast forward. We can see the start of core solidification in the magnetic records as well as its end, and start to think about how these processes work on Earth."

Magnetic fieldThe Earth's magnetic field will likely die off when the core completely freezes
The meteorites studied by the team originally fell to Earth in Argentina, and are composed of gem-quality crystals enclosed in a metallic matrix of iron and nickel. 

Tiny particles, smaller than one thousandth the width of a human hair, trapped within the metal have retained the magnetic signature of the parent asteroid from its birth in the early Solar System.

"We're taking ancient magnetic field measurements in nano-scale materials to the highest ever resolution in order to piece together the magnetic history of asteroids - it's like a cosmic archaeological mission," said Dr James Bryson, the paper's lead author. 

"Since asteroids are much smaller than Earth, they cooled much more quickly, so these processes occur on a shorter timescales, enabling us to study the whole process of core solidification."

Prof Wyn William, from the University of Edinburgh, who was not involved in the study, commented: "To be able to get a time stamp on these recordings, to get a cooling rate and the time of solidification, is fantastic. It's a very nice piece of work."

The key to the long-lived stability of the recording is the atomic-scale structure of the iron-nickel particles that grew slowly in the asteroid core and survived in the meteorites. 

Making a final comment on the results, Dr Harrison said: "In our meteorites we've been able to capture both the beginning and end of core freezing, which will help us understand how these processes affected the Earth in the past and provide a possible glimpse of what might happen in the future." 

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SpaceX Will Try to Land Rocket on Floating Ocean Platform

 Excerpt from space.com  SpaceX will apparently attempt something truly epic during next week's cargo launch to the International Space Station. During the Dec. 16 launch from Florida's Cape Canaveral Air Force Station, which will send ...

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