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VFTS 682, Stars in the Magellanic Cloud Loneliness Using the Very Large Telescope (VLT) in Chile, astronomers found the star named VFTS 682 in the Tarantula Nebula, Large Magellanic Cloud, a small neighboring galaxy to our Milky Way galaxy. The star is more versatile than the Sun, has a mass 150 times greater than the Sun and 3 million times more luminous than the Sun.
However, unlike the 682 VFTS size and stars are typically found in dense star clusters. VFTS 682 which is one of the brightest star ever discovered and has a surface temperature of up to 50,000 degrees Celsius is apparently a lonely star. As quoted Astronomy Now, Joachim Bestenlehner of Armagh Observatory in Northern Ireland who led the study, said, "We were very surprised to find that the star of turned out to be alone, not located in a dense star cluster." Until now, according to Bestenlehner, the origin of the star is still mysterious.
Because the Tarantula Nebula lies adjacent to the star forming regions and close to the group VFTS R136 682, then the astronomers suspect that the first 682 VFTS not alone. According to astronomers, VFTS 682 may be formed in clusters R136 and subsequently ejected to exist in isolation. The explanation may be the answer to the riddle origins VFTS 682. But, if that were true, one more question arise. What kind of energy that could catapult for VFTS 682 stars from from the place? To be sure, these findings will challenge the understanding of evolved massive stars now. The findings were published in the journal Astronomy & Astrophysics.
GerhardHüdepohlwho take care ofrecordingimagesphotosspaceat theEuropean SouthernObservatory(ESO)to recordthe emissionof green lightfrom the Moon.Rayis it?
Gerhardmanaged to capturethe phenomenoninan imageconsistingofseveral photos.He founda greenglowon the moonduringthe morningwas sunnyconditionsat theParanalResidencia.
Greenraysactually notuncommon.AtCerroParanal,a mountainas high as2,600 metersinthe Atacamadesert,Chile,greenlightoftenseen inthe Sunisabout togo down.PhotosGerhardsurprising becausethe phenomenonisusuallyfoundon the Sunare rareonthe Moon.
Greenbeamof lightthatoccursdue to refractionby the atmosphere.Earth's atmospherebend light.Deflectionthe greatertheatmospheric conditions arenot toodenselayers.
InGerhardpositionwhen taking a photo,a greenlightfromthe Sunorthe Moonwhose position isslightlyhigherthan thelightorangeand red.Inthe right conditions,the emissionof green lightcan beseenatthe top ofthe Sunorthe Moonwhile in thenearhorizon.
The shipisbelieved to be thebearerof PharaohKhufuindigenousreligionintothe afterlife.KhufuisalsoknownasCheopsiscreditedas thebuilder ofthe GreatPyramid ofGiza.SakujiYoshimurarestorationprojectleaderofWaselaUniversity said,one of the shipsof thetwoshipswere foundbearing the name ofKhufu.
Khufuwas the founder ofthe fourthdynastyin2680BC andbecamethe leader ofEgyptfor 23years.EgyptianMinister ofAntiquities,ZahiHawassacknowledgesthe excavationof this 'one of themost importantarchaeological projectsandconservationof the world'.
The shipwas originallydiscoveredin 1954along withanothervesselwhich was thenrestoredand is consideredone of themajorfindingson theGiza plateau.Expertsacknowledgethis shipasthe oldestshipthat couldsurviveuntil now.
After theexcavationis completed,scientistswillmakethisshipa computerschemetohelpits reconstruction.Restoration ofthese findings areexpected totakefouryears.Once completed,as reported byFoxNews, theshipwill be on displayat SolarBoarMuseumnearthe Pyramidsof Giza.
Sunflameseruptedon Tuesday(7 / 6) morning.Uniquely,the eruption did notcause theflamesinto the sky,butreturnedto thesun,creating arain-shapedcrown.
ResearchersfromNASA'sSolar,JackIreland,claimed tohave neverseen anythinglikethis.The eruption ofrelativelymedium-sized,but theplasma-containingmagnetsthatposedflamescalled thefilamentcan be10 times thesizeof Earth.Genesisof the eruptionwithina fewhours.
Largefilamentsnormallydespite thesun's magnetic fieldandleadinto space.NASAscientistexplains,AlexYoung.Onlyin the eventthis time,the filamentback to thesun."The possibilitydid not haveenough energy,"he said.
The raindid notfall inplasmaperpendicularto thesun,butto followmagnetic field linesthat are notvisible.Somematerialsare attracted tobright spotsof magneticactivity, called theactive area."Fieldof themagnetsthatdrawan active area ofthe plasma.Something thatI had neverseen before,"said Young.
The incident wasrecordedbyNASA'sSolarDynamicsObservatory.The incidentitself will notaffectthe Earth."No needto worry.Enjoy thebeauty,"said Young.
2 Big Black Hole at the Galactic Center Found Markarian 739 Of a further research, astronomers found that Markarian 739, a galaxy which is about 425 million light-years from Earth towards the constellation Leo has not only a giant black hole, but two black holes at the center of the galaxy.
The presence of these two galaxies are detected by the Swift satellite dams Chandra X-Ray Observatory NASA. Although both the black hole at the galactic center, they are separated by a distance of about 11 thousand light-years or about one-third the distance of our solar system with the center of the Milky Way. As an illustration, one light year is about 10 trillion kilometers. Both black holes are found it is also a very active black holes and into the classification of 'supermassive' which means, each having a mass equal to millions or even billions of times the mass of stars like our Sun. In fact, ordinary black holes formed by the collapse of massive stars is only a 10 to 20-fold compared with the mass of the Sun. "At the center of most massive galaxies, including the Milky Way, is a supermassive black hole that weighs millions of times more than the mass of the Sun," said Michael Koss, researchers from NASA, as quoted from Space. "Some of them emit radiation billions of times greater energy than the Sun," he said. However, Koss said, although the supermassive black hole is a common phenomenon that is present in the centers of galaxies, not all black holes emit radiation energy is called 'active galactic nuclei (AGN). "Therefore, get a giant black hole actively extremely rare. Moreover, the finding of two giant black holes in one galaxy, "he said. Astronomers suspect that this pair of supermassive black holes form when there are galaxies that were destroyed. "If two galaxies collide, and each has a supermassive black hole, there is the possibility that the two black holes become active as AGN," says Richard Mushotzky, another researcher from the University of Maryland.
Risk of Very Scary Black Holes Black hole capable of swallowing a variety of celestial bodies. The more he swallowed, the greater its appeal. But the risk is not only that. Black hole is a region of space that can swallow gas, dust, stars, planets, and other celestial objects that exist in a galaxy. Its gravitational pull is very strong. A planet passing in the vicinity will not survive the suction hole.
Many astronomers worry that the more illegal activities will be able to swallow the Earth. So what makes a black hole can suck objects around space? There is actually a theory which states, the suction power of a black hole can be weakened and then he would go into a phase of sleep, stop eating celestial body. According to George Helou, from NASA's Spitzer Science Center at the California Institute of Technology, a black hole in our galaxy is currently in a phase of sleep. Black hole called Sagittarius A is located in the center of the Milky Way galaxy. Scherbakov, astronomers from the Harvard Center for Astrophysics said the black hole at the Milky Way takes only 0.01% of stars around him. But now researchers also discovered a fact, black holes constantly evolving, so that they can be active again someday. The more he swallowed a star, the sooner the process of evolution. According to data obtained from space telescopes, over the last few years, a growing number of black holes swallowing celestial body. In addition, it is said that the more he sucked celestial body, the greater its appeal. This is because an increase in ionic elements in it. But not only evolved, later also known black holes that exist in different galaxies are also joined to each other. Various celestial body that goes into the black hole contains a lot of energy in large quantities. So that the joint between the black hole would also increases the amount of energy it has. This energy can control the flow in and out of gas and dust out of the hole. Not only the dust and gas, astronomers believe that a black hole sucking too much release of X-rays and radioactive waves. But the number of X-ray radiation they observe can not be explained. What is clear, everything that affects the development of the galaxy where the black hole is located. Understanding the process, the workings and evolution of black holes is important to explain the formation of the Milky Way and the integrity of the earth in the future. Studying the interaction of intergalactic radiation and can make us understand the magnitude of the gravitational field, magnetic force, and the black hole radiation. "We have been studying data from space telescope over the last few years, and found that the faster the black hole devouring material space, the higher the ionization power," says David Ballantyne, assistant professor of physics Georgia Institute of Technology. Space physicists do not currently have an adequate explanation of the suction power of black holes and how to grow or what makes a particular black hole stops growing. But clearly, the black hole and the disc will affect the surrounding sky objects. "Sucking on a celestial black hole releases a lot of energy. Not only radiation but also the gases released until far into the outer galaxy. This gas can change the order of the location of stars, and stop the development of galaxies, "Ballantyne said. "Power continues to suck black holes studied. There is a growing and some are dead. Studying is important to know the shape and change the composition of our galaxy, "Ballantyne added. Black hole is sucking celestial body. Earth at risk of being swallowed by it. But the risk was not only that. The gas ejected from the inside can make a celestial body to shift, and may even crash.
TwoBiggestSecretsRevealedThe behaviorof the Universe
The astronomersfound thatgalaxiesin theuniversehas thebehavior of 'wake up' or'asleep'.Galaxies'wake up'veryactively formingstars,whilegalaxies'asleep'notforminganynewstars.
Astronomersfindnearestgalaxyin theuniversefall into oneof these conditions.Buta newsurveyshowsdistant universe,younggalaxiesata distance12 billionmillionlight-yearsis also onthe conditionawake orasleep.That is,galaxieshavingthis kind of behaviorfor morethan 85%of thehistory of theuniverse.
"In fact,seeinga younggalaxyin thedistant universehave diedisamazing,"saidstudy leaderKateWhitakerquoteda descriptionof Yale University.
Not manygalaxiesare inbetweenthese conditions,furtherPietervanDokkumof Yaleastronomerwho also joinedin this study.
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I am not so fat and not so small. I am very cute. My school in SMP 1 Jepara. I like Arkeolog.I want to be archaeologists. I have a pet cat named chicko. She is my female cat with my faithful friends. chicko died in 2009. Although chicko already died, chicko remain in my heart.
