Astronomy & Space

Giant rings discovered in Venus’s atmosphere from old observations

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Planetary atmosphe…Atmospheric waves

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Scientists discovered evidence of giant ring structures in Venus's atmosphere by examining archived telescope images from 2010. The observations were captured during a 36-minute window at the William Herschel Telescope in the Canary Islands while astronomers were waiting to begin their primary research on distant stars and dust disks. The data remained unexamined in archives until researchers later reviewed it and identified these previously unknown atmospheric features.


This discovery demonstrates the value of archival astronomical data and could provide new insights into Venus's atmospheric dynamics and circulation patterns. Understanding these giant ring structures may help scientists better comprehend atmospheric behavior on Venus and potentially other planets with thick atmospheres.


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In 2010, scientists waiting to use the William Herschel Telescope in the Canary Islands captured a brief 36 minutes of images of Venus. They were waiting for the sun to set so they could look at distant stars and dust disks around young stars. Consequently, little attention was paid to the data, which was filed away in the archives.

Source: Evidence of giant rings in Venus's atmosphere uncovered in archived observations