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Episode 90: Got Supernovae?

Play Mar 22•4:23

The universe is full of calcium ? the same substance that helps clot blood and fortifies bones. Calcium, in fact, is the fifth most common element on our planet. We know that elements like iron and sulfur come from the nuclear reactions in exploding stars. It turns out that these supernovae explosions also produce calcium. New X-ray observations taken at the XMM-Newton Observatory indicate tha...

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