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ScienceDaily (28 October 2010) – NASA’s Chandra x-ray Observatory has observed an unusual galaxies surrounding a bright core of relatively cool gas a quasar called contains 3 c 186. This is still observed that the most distant object and may insight into the triggering of quasars and the growth of clusters.

This composite image of the surrounding cluster 3 c 186 contains a new, deep image of Chandra (blue) shows emission of gas, around the point like quasar near the center of the cluster. Chandra x-ray spectra show that the temperature of the gas of 80 million degrees on the outskirts of cluster is up to 30 million into the core.This fall in temperature occurs because intense x-ray emission of gas it abkühlt.Optische data from the Gemini telescope in yellow stars and galaxies point in the field of view.

What makes this particular clusters and its interesting is its strong cooling core age 3 c is 186 approximately 8 billion light-years from Earth, so that it removed the galaxy cluster the most distant known to a prominent cooling core included. Because its remoteness is cluster seen when the universe in less than its current age is relatively young.

Previous observations have revealed less than about 6 billion light years in smaller distances from Earth, large numbers of clusters with strong cooling cores. Far less, but found at larger distances between 6 and 8 billion light years.Given his young age this “precocious” galaxy clusters around 3 C 186 seems surprisingly well made are.

Cooling veins destroy an explanation why less cooling are cores for longer distances, is that these younger cluster higher prices the merge with other clusters or galaxies would mergers erleben.Diese. In connection with the fact that it form takes a long time cooling cores, so rare in the earlier stages of the universe.

Because this cluster meaningful found only through a Chandra survey of a small sample of radio sources, it is possible that there are many more similar objects over long distances.They are detected it may revise, our understanding of how galaxy clusters developed during this period of history of the universe.

This galaxy cluster is also the most distant ever seen contain a quasar.Only other galaxy clusters with a bright quasar has a detailed study about his x-ray emitting gas and it is located much closer to earth than 3 c 186.Im principle can provide cooling gas close to 3 c 186 enough fuel, the growth of the supermassive black hole that support power source for the quasar.

This object provides an interesting way to study the effects of a quasar within a galaxy cluster environment.The energy generated from the black hole can result in the cluster not only via mechanical power in a Jet, but also by radiation from the released policy.This could bright quasar in a mighty wind, which heated the surrounding gas and prevent, that more cooling.

The cluster is probably its a predecessor of the famous nearby clusters as Perseus and where jets are driven MS 0735.6 + 7421, the central black hole boring from more distant cavities in the cluster Gas.Es and younger than these other two clusters and the radio source 3 c 186 is associated with 0735.6 + 7421 smaller and younger than in Perseus and MS.

The paper outlines these results will be published in the October 10th issue of the Astrophysical Journal.Die is list of authors Aneta Siemiginowska, Douglas Burke and Thomas Aldcroft of from the Harvard-Smithsonian Center for Astrophysics, Diana Worrall from the University of Bristol, UK, Steve Allen from Kavli Institute for particle astrophysics and Cosmology at Stanford University, Jill Bechtold from the University of Arizona, and Tracy Clarke and Teddy Cheung of Naval Research Laboratory.

NASA’s MSFC in Huntsville, Alabama, manages the Chandra program for NASA’s Science Mission Directorate in Washington.Dem Smithsonian Astrophysical Observatory controls Chandra’s science and flight operations from Cambridge, mass..

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The above story is made from materials published by NASA (with editorial adjustments by ScienceDaily staff).

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What is Science

First of all, Science! is not the same as science. Science! is the study and knowledge of all things scientific, quasiscientific, or pseudoscientific. Anything that is obscure, incoherent, or improbable is made clear by the purveyor of Science! (also known as the Scientist!). The Scientist! has access to knowledge that even scientists do not have access to. They are truly the masters of all that is True and Scientific!

There are 3 characteristics of the practitioner of Science!

1. They always work alone. Scientists usually have teams of other scientists and technicians working with them. The Scientist!, on the other hand, works alone, in their own, small, often home-built, laboratory. The laboratory will be filled with various whirring, clicking, blinking, or bubbling pieces of lab equipment which appear to have no purpose since the Scientist! never touches them. Read more…

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Why Science is so fun for kids?

Science For Kids

Science is a fun and interesting subject for kids because it is all around us. Some people do not realize that science is involved when in almost everything you do such as cooking, cleaning, and playing. When these people think of science they probably remember the classroom and the teachers boring lectures, but the good news is that method is becoming a thing of the past. Science is being brought onto television with police dramas such as CSI.

Most children at an elementary school age want to grow up and be a policeman because policeman help people and they always catch the bad guy. To kids this is the best thing in the world, and for us as parents we can not think of a better role model for our children than a police officer. CSI shows kids how science is used to solve crimes and catch the bad guys. While kids might not understand the exact techniques involved with DNA and others, every kid knows about fingerprints. Teachers can set up a mock crime scene and let children lift fingerprints and other crime lab techniques. At the end the children can solve the crime and write a report on who they think did it, how they figured out who did it, etc. This is a fun exercise for children to do and it is all hands on. Read more…

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More research and development is put into military technology and innovation then any other industry or field. The evolution of the battlefield has occurred right in front of us, yet many people are unaware of how advanced the weaponry of the United States army and its allies has become. The battlefields our troops currently fight on are occupied by drones known as MQ-9 reapers and Predators, as well as a variety of unmanned land vehicles such as the SWORDS weapon system. Also we can’t forget about the advances in Fighter technology with the F-22 Raptor being on the forefront of aviation innovation.

The evolution of military technology has allowed the US military to move many of its troops out of harms way by implementing precision weaponry coupled with unmanned technologies. In the near future our battlefields could look like something from the movie Terminator with robots fighting each other and actually operating on artificial intelligence. The machines deployed in unfriendly territory will actually be linked to each other and communicate with soldiers and commanders to warn them of enemy positions or suspicious activities. Also systems like the YAL-1A airborne laser that the United States air-force has developed will keep our skies clear of ballistic missile threats.

Not only have the ground and air reconnaissances and attack vehicles been converted to unmanned applications, rifle and gun technology has developed at an incredible pace with applications such as the as50 British accuracy Sniper Rifle or the objective individual combat weapon. The Military technology that the soldier will be working with in the future will include upgraded ammunition and assault rifles as well as better and lighter armor such as the Dragon Skin system. There are many more new weapons system applications that seem lifetimes away but are being developed as we speak.

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If you have ever lifted a traditional lead and acid, wet cell car battery, you know how incredibly heavy they are when they are fully charged. Not very big, they have a dense heaviness that is, if you will pardon the pun, shocking to most people. The problem with their weight is simple; the heavier each part of the car is, the less efficiently it will burn fuel. Lightening the automobile has been part of the goal of car makers for years. The steel reinforced tanks of yesteryear are not driven anymore. Those beasts have been replaced with more fuel efficient, lightweight cars in most cases. Now, as electric and hybrid cars become more and more mainstream, the eco-conscious will make the switch. Polymer storage devices could hold play an important role in energy storage.

A hybrid car uses batteries and gasoline to work. For instance, when a hybrid is coasting down a hill, the mechanical energy is converted to electricity which is then used to charge the battery for times when it is needed. Using the polymer electric storage system will allow more energy to be stored without the added bulk and weight of a traditional battery. Polymers are lighter and far more flexible than any other energy storage system seen so far.

Polymers are blended with ceramic particles to “improve energy density” (Physorg.com). The ferroelectric polymer has a higher breakdown strength while the ceramics have higher “permittivities.” In plain English, the polymer blends formulated by scientists will improve the maximum electric fields that the composite can store without decreasing. The ceramics actually allow the storage to take place.

Other uses for these polymer blends could eventually include computers, fold-able screens, and other electronic applications. Polymers can be processed at room temperature, meaning no high heat processes to worry about, they are easy to make and easy to manipulate.

Right now the only problem in dealing with the polymers is the actual blending of the ceramics and the polymer materials themselves. If they are not mixed correctly they will not store energy correctly. The ceramic particles also have individual issues when being mixed in with the polymers. All issues with the mixing must be handled at the same time or the resulting storage system will be doomed to poor performance and inevitable failure.

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