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Earth
Oct 30, 2014

Oct 30, 2014: The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and...
Sun, Solar System
Mar 30, 2015

March 30, 2015:  It's déjà vu all over again. For the third time in less than a year, sky watchers in the United States can see a total eclipse of...
Sun
Nov 6, 2008

  Mysteries of the Sun Videos and a companion booklet which introduces Heliophysics: the study of the Sun's influence...
Universe, Sun
Nov 6, 2014

Nov 6, 2014: A NASA sounding rocket experiment has detected a surprising surplus of infrared light in the dark space between galaxies, a...
Universe, Earth
Feb 14, 2014

Feb. 14, 2014: A lot can happen in 10 years. Over the past decade an international laboratory, widely known but often under-appreciated, has...
Earth
Aug 20, 2007

Graph: Chlorophyll in the Gulf of Panama - Giovanni created this latitude versus time graph for the Gulf of Panama. The seasonal pattern of...
Solar System
Sep 24, 2013

Sept. 24, 2013:  Anticipation is building as Comet ISON approaches the sun for a close encounter on Thanksgiving Day (Nov. 28). No one knows...
Earth, Solar System
Jan 22, 2014

Jan. 22, 2014:  Scientists using the Herschel space observatory have made the first definitive detection of water vapor on the largest and...
Universe
Dec 19, 2014

Dec 19, 2014:  The European Space Agency’s orbiting Rosetta spacecraft is expected to come within four miles (six kilometers) of the surface of comet...

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