News tagged with earth atmosphere

NOAA greenhouse gas index continues to climb

NOAA's updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many greenhouse gases such as carbon dioxide and methane, shows a continued steady upward trend that began with the Industrial ...

dateNov 09, 2011 in Environment
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Watching the dragon spit fire

(PhysOrg.com) -- This video catches the moment when a Draconid meteor exploded in Earth's atmosphere earlier this month. The dramatic footage comes from a campaign to observe this important meteor shower using aircraft to ...

dateOct 26, 2011 in Space Exploration
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The hazy history of Titan's air

What rocky moon has a nitrogen-rich atmosphere, Earth-like weather patterns and geology, liquid hydrocarbon seas and a relatively good chance to support life? The answer is Titan, the fascinating moon of Saturn.

dateOct 13, 2011 in Space Exploration
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Snowball Earth hypothesis challenged

The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, ...

dateOct 12, 2011 in Earth Sciences
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