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Look up: HE0107-5240

  1. HE0107-5240
    `HE0107-5240` is a newly discovered giant star roughly 36,000 light years away from Earth and 80% the mass of the Sun. It is largely metal-free, having just 1/200,000 of the metal that the Sun has. It is one of the oldest stars yet found and is thought to be nearly 13 billion years old, having formed shortly after the Big Bang. This means it was one of first population II stars. Because the star has tiny amounts of heavier elements, it does not ...
    Found on http://en.wikipedia.org/wiki/HE0107-5240

  2. HE0107-5240
    HE0107-5240. Credit: NASA The second most metal-poor star known. It has a metallicity of less than -5.0 and a corresponding iron content that is some 200,000 times less than that of the Sun. On this basis, it is the second oldest known star in the Milky Way Galaxy with an estimated age of about ...
    Found on http://www.daviddarling.info/encyclopedi


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23 November 2009

This day in history:
At sixteen minutes past five on 23rd November 1963, a British television institution was born. Doctor Who would go on to become the longest-running science-fiction programme in the world, eventually spawning twenty six seasons of adventures from 1963 to 1989. In total, eight actors have played the part of Gallifrey's most famous Time Lord. From the very first - William Hartnell in 1963 - to the very last - Paul McGann, in the 1996 TV Movie - the Doctor has wandered through time and space in his trusty time machine, an old type-40 TARDIS (Time and Relative Dimensions in Space). Although appearing to be nothing more than a battered blue police box, it is in fact vastly bigger on the inside than on the outside, and always departs with its familiar wheezing, groaning sound. read more

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