993–994 carbon-14 spike

The 993–994 carbon-14 spike was a rapid increase in carbon-14 content from tree rings, and followed the 774–775 carbon-14 spike.[1][2] It may have come from a massive solar storm.[3]

See also

References

  1. ↑ "Another rapid event in the carbon-14 content of tree rings : Nature Communications : Nature Publishing Group". Nature.com. Retrieved November 9, 2015.
  2. ↑ "Traces of enormous solar storms in the ice of Greenland and Antarctica -- ScienceDaily". Sciencedaily.com. Retrieved November 9, 2015.
  3. ↑ "Solar storms: New evidence that the Sun twice erupted violently in the Middle Ages.". Slate.com. Retrieved November 9, 2015.
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