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Current Affairs

Vanishing of the moon

Date: 12 May 2020 Tags: Miscellaneous

Issue

A study has revealed that an ecological activity of sudden turbulence on Earth was responsible for the moon to disappear for months at stretch during 1100 CE. 

 

Background

The study has been titled 'Climatic and societal impacts of 'Forgotten' cluster of volcanic eruptions in 1108-1100 CS'. It evidently stands true to its name as it gives a deep insight as to what the volcanic eruption in that Millenium led to. 

 

Details

  • Almost a millennium ago, sudden turbulence was experienced on the surface of the earth. Giant clouds of particles rich in sulphur flowed through the stratosphere which turned the skies dark for months, maybe even years before they ultimately fell down to the earth.

  • The event has been confirmed to have happened as a number of researchers through the years have drilled ice cores and collected samples and found samples of trapped sulphur aerosols which form due to volcanic eruptions.

  • Ice can preserve evidence of volcanism over incredibly long timescales, but pinpointing the precise date of an event that shows up in the layers of an ice core is still tricky business.

  • The findings in the recent study do not qualify to become concrete evidence for the moon going dark for months in 1100, but it does give away some evidence about the same.

  • Researchers looked into medieval records which described dark lunar eclipses during that time. In one of the reports, it was stated that the lunar eclipses were affected due to the volcanic activity. 

  • In addition to witness accounts, the researchers also looked at tree ring evidence, which suggests 1109 CE was an exceptionally cold year (about 1 degree Celsius cooler in the Northern Hemisphere), based on significantly thinner tree rings.

  • Lunar phenomenons have been recorded evidence since centuries. The history of lunar eclipses have currently showcased the history of the earth accurately and is reportedly being used to do so yet again.

  • It is not sure whether the reason behind the moon going dark for months had anything to do with the volcanic ashes and sulphur in the atmosphere, but the study has reportedly made many scientists around the world curious about the history of the moon in relation to the Earth.