Solar twin discovery leads to speculation of extraterrestrial life

November 14th, 2007 - 10:23 am ICT by admin  

The new star has been discovered by the University of Texas at Austin using the 2.7-meter Harlan J. Smith Telescope at McDonald Observatory.

Before this finding, only three solar twins had been identified. They were 18 Scorpii, HD 98618 and HIP 100963.

But while they were all like the Sun in many ways, there was one major difference. They all contained several times more lithium than the sun.

This scenario made astronomers think that maybe the sun was unique with its low amount of lithium.

But the discovery of HIP 56948 with the same amount of lithium as the Sun has put that question to rest. It also suggests that the Sun

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