News tagged with night

Odd work schedules pose risk to health

(AP) -- Reports of sleeping air traffic controllers highlight a long-known and often ignored hazard: Workers on night shifts can have trouble concentrating and even staying awake.

dateApr 17, 2011 in Health
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Celestial fireworks from dying stars (w/ video)

(PhysOrg.com) -- This image of the nebula NGC 3582, which was captured at ESO's La Silla Observatory in Chile, shows giant loops of gas bearing a striking resemblance to solar prominences. These loops are ...

dateApr 13, 2011 in Astronomy
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Spring is fireball season

What are the signs of spring? They are as familiar as a blooming Daffodil, a songbird at dawn, a surprising shaft of warmth from the afternoon sun. And, oh yes, don't forget the meteors.

dateApr 01, 2011 in Space Exploration
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Clouds amplify ecological light pollution

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, ...

dateMar 02, 2011 in Environment
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STAR TRAK for February 2011

Jupiter will be the only bright planet visible as evening twilight fades during February, coming into view in the southwest. At mid-northern latitudes, this will be the last month until July when Jupiter will ...

dateFeb 03, 2011 in Space Exploration
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