World’s Strangest

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Was 774AD ‘red crucifix’ a supernova ?

A mysterious red cross in the sky in 774AD may have been a previously unrecognised supernova explosion. The strange cross-shaped glow in the skies ove…

Medieval Manuscript Gives Clue about Mysterious Radiation Spike

Tree ring data indicates that sometime around 774 or 775 A.D., an intense burst of radiation hit the Earth. What was its source? Scientists were uncertain, but it was probably a supernova. Unfortunately, there were no records of such event. But Jonathon Allen, a biochemistry student at University of California, Santa Cruz, realized that researchers [...]

Earth could have two suns for a short time

If nearby star Betelgeuse goes supernova we could end up with two suns in the sky. Dr. Brad Carter of the University of Southern Queensland detailed a…

The Quick 10: 10 Amazing Discoveries by Kids

It’s all over the news the past couple of days: some astronomers spend a lifetime looking for a supernova, but a 10-year-old-girl found one on her first try. Here’s Kathryn Gray’s story and the stories of nine other talented (or lucky) kids who have made important discoveries at shockingly young ages. 1. Kathryn Gray was checking [...]

10-Year-Old Discovered Supernova

Kathryn Aurora Gray knew a superstar when she saw one (and with a middle name like that, how could she not?). The 10-year-old girl from New Brunswick, Canada, just became the youngest person to ever to find a supernova (with a little help from astronomer dad): Since a supernova can outshine millions of ordinary stars, it [...]

Supernova leaves glowing embers

A Japanese observatory has discovered glowing embers 10,000 times hotter than the Sun left behind following a supernova. The embers are still glowing …