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Subaru Telescope Detects the Shadow of a Gas Cloud in an Ancient Proto-supercluster

Subaru Telescope Detects the Shadow of a Gas Cloud in an Ancient Proto-supercluster

March 28, 2017

By using the Suprime-Cam on the Subaru Telescope, a team led by researchers at Osaka Sangyo University succeeded in making the widest map of neutral hydrogen gas in the early universe (corresponding to a time about 11.5 billion years ago). They found that the neutral hydrogen gas widely spreads out across 160 million light-years in and around the proto-supercluster...

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Saturn's Rings Viewed in the Mid-infrared

Saturn's Rings Viewed in the Mid-infrared Show Bright Cassini Division

February 23, 2017

A team of researchers has succeeded in measuring the brightnesses and temperatures of Saturn's rings using the mid-infrared images taken by the Subaru Telescope in 2008. The images are the highest resolution ground-based views ever made. They reveal that, at that time, the Cassini Division and the C ring were brighter than the other rings in the mid-infrared light and that the brightness contrast appeared to be the inverse of that seen in the visible light...

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