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New observations from NASA's Voyager 2 show that the solar system is asymmetrical. They believe this is from the cause unlikely disturbances in the interstellar magnetic field. Scientists has always though it had been bent, but now evidence shows it. The discovery was made after it had flew past the edge of the solar system, 30 years after being unmanned. The Voyager 2 had been the first to have a working instrument that made the first direct measurements of the speed and temperature of the solar wind. Voyager 1 is traveling at ten miles per second and is the most distant of any manmade object. It will take about a decade to before the Voyagers reach the heliopause, which is the beginning of the interstellar space and then end of the solar system.

Scientists believe they have found the source of auroras borealis, or the Northern Lights. New data from Nasa's Themis Mission found that the energy comes from a stream of charged particles from the sun flowing like a current through twisted bundles of magnetic fields connecting Earth's upper atmosphere with the sun's. The energy is then released in the form of shimmering dispay of lights. In March, the satallites showed the Northern Lights over Alaska and Canada. The show lasted about two hours. The storm moves at about 400 miles a minute! Scientists hope this new knowledge will end the debate about how northern lights are created.

After bringing up fellow Democratic Presidential runner Barack Obama's past drug use, a top advisor to Hillary Clinton has stepped down. He stated that he was deeply apologetic and that the comment was not authorized by Senator Hillary Clinton. After saying the comment, he said that it would hurt Barack Obama's chances of becoming president. Bill Shaheen announced his decision to step down and Hillary Clinton personally apologized to Obama. Obama, appearing unharmed by the comment and saying it was probably said because new poll results show that the two are tied for first place.

Merck and Company is recalling about a million doses of a child vaccine after sterilizaton problems were made apparent in testing a Pennsylvania factory. The vaccine known as Hib, prevents meningitis and pneumonia is given to young children. It is given to them in three doses and is recommended for all children under 5. Contamination was found in the plant where the vaccine was made. Merck has been under alot of trouble after having to recal the painkiller Vioxx after it increased risk of heart attacks and strokes in September 2004. They settled up to 500,000 lawsuits for about $4.85 billion.