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Latest Sky Stories

Future Of Lighting Could Change Color Of The Night Sky
2012-08-08 12:33:59

Lee Rannals for redOrbit.com - Your Universe Online Light pollution has been a growing problem recently, and as skylines continue to grow, the night sky becomes dimmer and dimmer. A new shift is taking place in lighting though, and researchers estimate that the color of the night sky may be changing as well. Scientists writing in the journal Monthly Notices of the Royal Astronomical Society said they have used a new instrument to study how clouds affect sky brightness in urban areas,...

PBS Documentary To Explore The Effects Of Light Pollution
2012-07-05 14:08:31

Lee Rannals for redOrbit.com - Your Universe Online The world may start to look a little darker if the Public Broadcasting Service's new campaign has an influence in the matter. PBS will be joining the International Dark-Sky Association (IDA) by airing "The City Dark" - documentary that explores the problems of light pollution. IDA has been working for nearly 25 years to raise awareness about the problems light pollution causes by drowning out the night sky. Many of the issues IDA...


Latest Sky Reference Libraries

Sky
2004-10-19 04:45:44

Sky -- Although almost everyone have seen it, sky is hard to be defined precisely. Generally, sky is the space seen when one looks upward from the surface of a planet. Some people define sky as the denser gaseous zone of a planet's atmosphere. Clouds, rainbows and weather all occur amongst a planet's sky. In astronomy, the sky is divided into many regions, called constellations. The blue colour of the daytime sky results from the selective scattering of light rays. When the sunlight...

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Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'