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An international team of astronomers using data from NASA's Hubble Space Telescope has made an unparalleled observation, detecting significant changes in the atmosphere of a planet located beyond our solar system.
The scientists conclude the atmospheric variations occurred in response to a powerful eruption on the planet's host star, an event observed by NASA's Swift satellite. The exoplanet is HD 189733b, a gas giant similar to Jupiter, but about 14 percent larger and more massive. This artist's rendering illustrates the evaporation of HD 189733b's atmosphere in response to a powerful eruption from its host star. Astronomers classify the planet as a "hot Jupiter." Previous Hubble observations show that the planet's deep atmosphere reaches a temperature of about 1,900 degrees Fahrenheit (1,030 C). HD 189733b periodically passes across, or transits, its parent star, and these events give astronomers an opportunity to probe its atmosphere and environment. The system is just 63 light-years away, so close that its star can be seen with binoculars near the famous Dumbbell Nebula. Strong X-ray emission makes the host star of HD 189733b stand out in this view from Swift's X-Ray Telescope. When HD 189733b transits its star, some of the star's light passes through the planet's atmosphere. In April 2010, the researchers observed a single transit using Hubble's Space Telescope Imaging Spectrograph (STIS), but they detected no trace of the planet's atmosphere. The researchers determined that at least 1,000 tons of gas was leaving the planet's atmosphere every second. Because X-rays and extreme ultraviolet starlight heat the planet's atmosphere and likely drive its escape, the team also monitored the star with Swift's X-ray Telescope (XRT). After accounting for the planet's enormous size, the team notes that HD 189733b encountered about 3 million times as many X-rays as Earth receives from a solar flare at the threshold of the X class. Hubble is a project of international cooperation between NASA and the European Space Agency.


If you are lucky enough to catch an aneurysm before it ruptures there are a number of ways that it can be treated.
The doctor will physically examine the individual for checking the presence of cancerous growth in the mouth.
In late 2011, NASA's Hubble Space Telescope found that the planet's upper atmosphere was streaming away at speeds exceeding 300,000 mph.
The planet circles its star at a distance of only 3 million miles, or about 30 times closer than Earth's distance from the sun, and completes an orbit every 2.2 days. NASA's Hubble Space Telescope detected the escaping gases and NASA's Swift satellite caught the stellar flare. In a previous study, a group led by Lecavelier des Etangs used Hubble to show that hydrogen gas was escaping from the planet's upper atmosphere. This makes HD 189733b an ideal target for studying the processes that drive atmospheric escape.
This interaction imprints information on the composition and motion of the planet's atmosphere into the star's light. Follow-up STIS observations in September 2011 showed a surprising reversal, with striking evidence that a plume of gas was streaming away from the exoplanet. In this country it is estimated that approximately one in fifteen people will get one at some point in their life.
Over the summer of 2011 while shadowing a preventative radiologist I was able to see some of these procedures in action. 7, 2011, just eight hours before Hubble was scheduled to observe the transit, Swift was monitoring the star when it unleashed a powerful flare. It brightened by 3.6 times in X-rays, a spike occurring atop emission levels that already were greater than the sun's. The one thing that is somewhat comforting is that an aneurysm might never rupture nor cause any symptoms in a persons life time.


This technique involves making an incision into the femoral artery and feeding in a tiny microcatheter up into it towards the brain. They typically form at the place where arteries branch and especially near the base of the brain.
This fact that they often don’t cause any symptoms until they rupture makes them a bit of a silent killer. By carefully maneuvering through the aortic arch and into one of the carotid arteries this is possible.
You are fine until out of the blue the weakened artery ruptures and at that point death or brain damage are the most common results. A dual angiogram and use of contrast dies allows for him to see where he is in the body and find the bulging artery.
The major causes for getting oral cancer are smoking, chewing tobacco, increased alcohol intake. This is where he will insert tiny coils which cause the blood to stick to them and plug up the aneurism preventing it from filling and rupturing. Sometimes weakened immunity, poor dental hygiene and HPV infection may also cause mouth cancer. These coils are what give the procedure its name but there are other ways of fixing them as well. The person affected with this disease will have sore, lump or lesions on the mouth and may have problem in eating and drinking. The technique used depends on the type and location of the aneurism and some other techniques include microsurgical clipping and endovascular surgery.



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