Our Window on Nature

. . . exploring the world around us

Archive for the 'Sky' Category

A Closer Look at Snow

Posted: Saturday, December 24th, 2016 @ 11:26 am in Sky, Weather | 1 Comment »

Love it or hate it, when snow season appears much of the country is covered with a blanket of white. In the northern hemisphere about half of the land area sees some snowfall each year, and every state has experienced at least an occasional dusting of the white powder. It may be hard to appreciate, […]

Nature’s Fireworks

Posted: Sunday, August 7th, 2016 @ 6:18 pm in Sky | 2 Comments »

Several times a year we rearrange our sleeping schedules to watch one of nature’s annual fireworks displays. Just like clockwork, during the second week of August, the early morning sky lights up with the castoff particles left by the passage of a comet. Comets are the vagabonds of the solar system. Many of them travel […]

A Flash of Green

Posted: Friday, July 15th, 2016 @ 11:12 am in Sky | Comments Off on A Flash of Green

Jules Verne, among others, wrote about the “green flash,” but the first time we read about it, we concluded that it seemed about as likely as traveling 20,000 leagues under the sea. It was called “an intense spark of colored light visible at sunrise or sunset” – sure, with Nessie rising to greet it, no […]

Sundogs and Moonbows

Posted: Tuesday, July 7th, 2015 @ 12:34 pm in Sky | Comments Off on Sundogs and Moonbows

We spend a lot of time watching the sky. It helps us forecast weather conditions as we travel, exercises our imagination with fanciful cloud formations, and provides habitat for the soaring birds we like to observe. But add some distant raindrops, or cirrus clouds full of tiny ice crystals, and you have the setting for […]

Lunar Eclipse Alert

Posted: Saturday, August 25th, 2007 @ 11:05 am in Sky | Comments Off on Lunar Eclipse Alert

Next Tuesday morning (August 28th) we’ll get to see the second total lunar eclipse of this year. Early in the morning the moon will begin its passage into the shadow of the earth. Once a month (actually every 29 ½ days) the sun, earth, and moon line up to bathe our planet in the maximum […]

 
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