Science on Your Desktop May 14, 2008
Posted by webmaster in : Real Science you can do , add a commentLast week’s answer: Our luckless Venus transit astronomer was none other than 18th century French scientist Guillaume Le Gentil. Had he been successful, he would have no doubt been a more recognizable name today!
Courtesy, Flickr.
Determine your Longitude: the Lunar Eclipse Method Part II February 21, 2008
Posted by webmaster in : Classic Experiments Waiting to be Duplicated , add a comment
Hopefully, you had clear skies at your locale. My luck was pretty good… mostly clear skies through-out! My initial impressions were that of a very bright eclipse; the southern rim of the moon seemed especially bright. The color ranged from a dark blood red on the northern edge to an overall brownish glow. This seemed particularly prominent through binocs. And it was extremely cold! Temps ranged around zero Fahrenheit. The night was even punctuated by a fast pass of spy satellite USA 193, on what turned out to be its final orbit. So much for a scoop by Astroguys… (more…)
Determine Your Longitude: the Lunar Eclipse Method Part I February 14, 2008
Posted by webmaster in : Classic Experiments Waiting to be Duplicated , add a comment
We’re back now with a new look! Hopefully, it’s less of an eyestrain for our loyal legion of readers… and just in time for this months’ Lunar Eclipse!
Getting an accurate fix on your position has long been a bane of the world traveler. Long before Global Positioning Systems, a way was sought for navigators to calculate their location using the stars. Latitude was easy enough; in the Northern Hemisphere, you simply have to measure the angle of Polaris, also known as the North Star, above the horizon. (more…)