Meteors and Moon Glow Vie for Attention Tuesday Night
“The most famous of all annual meteor showers, the Perseids, is set to peak overnight August 12, but it will have to do battle with a brilliant moon.
A veritable ritual for summer stargazers, the Perseids are considered one of nature’s best fireworks shows, with dozens of shooting stars an hour falling at peak times. This year, however, the full moon officially occurs only two days before the shower is scheduled to put in its top performance.”
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Western Redcedars (Thuja plicata)
… are among North America’s largest trees. They can reach diameters of 10-13 ft (3-4 m) and heights of 213-230 ft (65-70 m), though they are still typically only one-third the volume of Giant Sequoias (Sequoiadendron giganteum).
Large individuals may be many centuries old. One in British Columbia was estimated at around 700 years old when it was destroyed by vandals; when it fell, it was so massive the impact effectively dug its own “grave”. Redcedars are reknowned for their timber.
They have high-quality wood with few knots, but what makes them especially appealing is Thujaplicin, a chemical that occurs naturally in mature trees and functions as a fungicide, preventing rot. The anti-fungal chemicals remain effective for up to a century after the tree is harvested.
Shown is the Kalaloch Redcedar of Olympic National Park in Washington, which was the third-largest known individual of the species until it was destroyed in a storm earlier this year.
photo by woodleywonderworks on Flickr
(via: Peterson Field Guides)
Previously thought to be extinct. Needless to say we were very excited about this find.