Supernova anniversary: Famous Tycho's star flared up 450 years ago this month
One of the most spectacular celestial sights ever seen appeared 450 years ago this month. Here's the incredible story of Tycho's star, one of only five supernovas ever observed.
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One of the most spectacular celestial sights ever seen appeared 450 years ago this month. Here's the incredible story of Tycho's star, one of only five supernovas ever observed.
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