News tagged with earth atmosphere

A Hazy View of Early Earth

Haze in the early Earth atmosphere could have played a crucial role in the origin of life. By forming a protective shield, the haze would have safeguarded organic substances from harmful ultraviolet (UV) radiation. ...

Oct 12, 2009
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Man-Made Activities Affect Blue Haze (w/ Video)

(PhysOrg.com) -- "Blue haze," a common occurrence that appears over heavily forested areas around the world, is formed by natural emissions of chemicals, but human activities can worsen it to the point of affecting the world's ...

Oct 06, 2009
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Monitoring meteor showers from space

Those who enjoy the spectacle of the Perseids, Geminids or other annual meteor showers likely aren't thinking about where these shooting stars originated or whether they might pose a danger. Scientists, however, ...

Aug 13, 2014
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50 years of Mars observations

(Phys.org) —In 1964, Caltech astronomy professor Guido Münch and Jet Propulsion Laboratory space scientists Lewis Kaplan and Hyron Spinrad pushed the world's second-largest telescope to its limits and ...

May 08, 2014
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Sun spits out mid-level solar flare

The sun emitted a mid-level solar flare, beginning at 11:57 p.m. EST on Feb. 3, 2014, and peaking at midnight EST. NASA released images of the flare as captured by NASA's Solar Dynamics Observatory.

Feb 04, 2014
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Landslide sensors may save lives worldwide

Using technology found in cell phones, inexpensive sensors being tested at Monte Sano State Park might one day soon save lives by giving advance warning of deadly landslides in at-risk areas around the world.

Oct 25, 2013
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