Tag Archives: caused

Betelgeuse’s Great Dimming

Back in October of 2019, astronomers noticed something strange about the star that forms the “shoulder” of the constellation Orion, Betelgeuse. Beginning that month, the star began to dim. Between October 2019 and late February 2020, the star’s brightness dropped by a factor of three.In the past, unusual brightening and …

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Nearby Supernovae

Multiple supernova explosions about 65 light-years away may have contributed to the ozone depletion and several subsequent extinction events at the Devonian-Carboniferous boundary, approximately 359 million years ago, according to a new paper published in the Proceedings of the National Academy of Sciences. An artist’s rendition of a supernova explosion. …

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Google Indexing Systems

Google has now explained the massive search bug from yesterday was related to an issue with its indexing systems. Google wrote, “On Monday we detected an issue with our indexing systems that affected Google search results. Once the issue was identified, it was promptly fixed by our Site Reliability Engineers …

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Chicxulub Asteroid

Chicxulub Asteroid Caused End-Cretaceous Mass Extinction, New Study Confirms The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian dinosaurs and ammonites. Debate lingers over what caused this extinction, with intense volcanic activity in India’s Deccan …

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