Blue Stragglers
Scientists have recently found that odd stars known, as "blue stragglers" may be the product of collision between two, and possibly more, older stars. This may result in finding out a 50 year-old mystery of the blue stragglers.
Even in "dense" areas stars a typically billions, if not, trillions, of miles apart. But stars may have the occasional chance to collide in global clusters, which are dense groupings of up to a million stars wit tightly packed cores. Some global clusters are among the oldest structures in the universe, about 15 billion years old, all the stars in the clusters are known as red giants that have puffed up to there outermost atmospheres. In these clusters the presence of blue stragglers have baffled astronomers since the 1950's. Each of these stars less than a billion years old.
Scientist recently realized that the collision of the older stars in the clusters could merge together to form one young one. Because of the stars mass a color......
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