Astronomers Discover Binary Star System That Produces the Longest Lasting Known Eclipse

Astronomers have discovered a binary star system where, every 69 years, the sun disappears in a near-total eclipse that lasts for three and a half years. The unnamed binary star system nearly 10,000 light years from Earth and is known only by its astronomical catalog number TYC 2505-672-1. It sets a new record for both […]
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