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Earliest stars in our Universe formed 250 million years after Big Bang

Scientists have determined through analysis of observations made by the Atacama Large Millimeter/ submillimeter Array (ALMA) that the first stars in our Universe could have forged just 250 million years after the Big Bang. The findings are based on faint, telltale signature of oxygen coming from the galaxy, which is thought to have been formed just 500 …

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Increased emissions of ozone-damaging chemicals detected

In a shocking find, researchers have said concentration of ozone-damaging chemicals continue to rise despite ban on their use. Trichlorofluoromethane, or CFC-11, is a member of the family of chemicals most responsible for the giant hole in the ozone layer that forms over Antarctica each September. CFC-11 was widely used as a foaming agent, but …

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