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 […]
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 […]
A translation of this article was made by Wiley. Wiley 提供 翻译 稿。 The Sun constantly emits a flow of energetic particles, some of which reach the Earth. The density and energy of this flow forms the basis of space weather, which can interfere with the operation of satellites and other spacecraft. A key unresolved […]
Indian Motorcycle has posted its itinerary for the 76th Annual Sturgis Motorcycle Rally, which officially takes place August 8-14 in Sturgis, South Dakota. The brand has a special connection to the event through the JC “Pappy” Hoel dealer, who helped start the rally in 1938. Indian promises the debut of the 2017 model year lineup, […]