SN 2010jl

Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery may help astronomers understand why some supernovas are much more powerful than others.

On November 3, 2010, a supernova was discovered in the galaxy UGC 5189A, located about 160 million light years away. Using data from the All Sky Automated Survey telescope in Hawaii taken earlier, astronomers determined this supernova exploded in early October 2010 (in Earth's time-frame).

This composite image of UGC 5189A shows X-ray data from Chandra in purple and optical data from Hubble Space Telescope in red, green and blue. SN 2010jl is the very bright X-ray source near the top of the galaxy (mouse-over for a labeled version).

A team of researchers used Chandra to observe this supernova in December 2010 and again in October 2011. The supernova was one of the most luminous that has ever been detected in X-rays.

More at http://chandra.harvard.edu/photo/2012/sn2010/

-Megan Watzke, CXC


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Great Painting

It is just like a great painting created by great artist.


Wonder about EM Waves

It is told that alternating electric field creates magnetic field and the alterations in magnetic field creates new electric field and the EM wave survives. I wonder whether the magnetic field component of EM Waves can interact with external magnetic fields created by some planets , paramagnetic gases etc.If they interact we shall see bending of light or is there any fundamental concept i am missing.


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