BlogArena

General blog about anything and everything of everyday's life.

July 20, 2013
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Solar tsunami used to measure Sun’s magnetic field

A solar tsunami observed by NASA’s Solar Dynamics Observatory (SDO) and the Japanese Hinode spacecraft has been used to provide the first accurate estimates of the Sun’s magnetic field. Solar tsunamis are produced by enormous explosions in the Sun’s atmosphere … Continue reading

January 14, 2013
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The Supernova That Cried Wolf

A luminous supernova in a galaxy 67 million light years away from us has finally exploded for good, a UA-led team of astronomers has discovered. This event sheds light on how massive stars end their lives. Astronomers have announced that … Continue reading

January 5, 2013
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Testing Einstein’s E=mc2 in Outer Space

UA physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world’s most iconic equation, Albert Einstein’s E=mc2, may be correct or not depending on where you are in space. With the … Continue reading

October 28, 2012
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Hungry Black Hole

Astronomers poised for galactic chow-down The super-massive black hole at the center of the Milky Way Galaxy has a healthy appetite, frequently snacking on asteroids and comets. Now, a cloud of gas and dust called G2 is on a dangerous … Continue reading

August 31, 2012
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Rose McDermott: The Political Genome

A recent review of research co-authored by Rose McDermott highlights the role that genes play in political preferences, an area of study that began to draw significant attention in the last decade. McDermott speaks with Courtney Coelho about this growing … Continue reading

December 11, 2011
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Star Explosion Leaves Behind a Rose

About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found its remains, called Puppis A. In this new … Continue reading

March 17, 2011
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Japan Worst-case Scenario Unlikely to Cause Catastrophic Radiation Release

ANN ARBOR, Mich.— While exposed spent fuel rods at the failing nuclear reactors in Japan pose new threats, the worst-case scenario would still be unlikely to expose the public to catastrophic amounts of radiation, says a University of Michigan nuclear … Continue reading