Thursday, July 31, 2008

The Cat's Eye Nebula Redux


The Cat's Eye Nebula Redux

This composite of data from NASA's Chandra X-ray Observatory and Hubble Space Telescope is a new look for NGC 6543, better known as the Cat's Eye nebula. This famous object is a so-called planetary nebula that represents a phase of stellar evolution that the Sun should experience several billion years from now. When a star like the Sun begins to run out of fuel, it becomes what is known as a red giant. In this phase, a star sheds some of its outer layers, eventually leaving behind a hot core that collapses to form a dense white dwarf star. A fast wind emanating from the hot core rams into the ejected atmosphere, pushes it outward, and creates the graceful filamentary structures seen with optical telescopes.

Courtesy:

http://chandra.harvard.edu/photo/2008/catseye/

Saturday, July 12, 2008

3-Stage hybrid HEART SURGERY

 

MIOT HOSPITAL AT MADRAS MAKES HISTORY.

READ THE ARTICLE IN FULL
IN THE HINDU
PUBLISHED ON 11TH JULY 2008.

Umiwana Chrisine, a 24 year old woman from Rwanda may not understand the procedures of this
epoch making surgery but the medical world does.

What a marvellous feat by the Cardiac thoracic surgeons at Miot Hospital, Chennai !
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