Counting Unicorns

(Discover Blogs::Out There) – Corey S. Powell:

If Tabby’s Star is the most mysterious star in our galaxy–so described by Tabetha Boyajian, who first described it–then Przybylski’s Star may qualify as the second-most strange and mysterious star around. In this case the puzzle is the star’s composition, which appears to be filled with radioactive actinides, short-lived elements normally found only in nuclear experiments on Earth. …

outthere 2017/06/30 wright

Tabby's star and alien megastructure


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