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Scientists spot event of ‘extreme’ solar activity by examining tree rings

KEY POINTS SEP events can be determined by dating tree rings When these events hit the atmosphere, they create a chain reaction This reaction creates carbon-14 Researchers in a recent study found evidence of another event of extreme solar activity by examining tree rings. The sun is constantly emitting energetic particles, the Astronomical Geophysical Union […]

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Tree rings show newly identified extreme solar activity event record

Arpingstone / Wikimedia, public domain “width =” “height =” “/> This photo shows the growth rings of an unknown tree species at Bristol Zoo in the UK. Tree rings record environmental conditions in the year they form. Through carbon isotope analysis, these recordings can also shed light on space weather. Credit: Arpingstone / Wikimedia, public […]