Measuring the Circumference of the Earth: the Eratosthenes Method
This is one I duplicated in High School that I first heard about on Carl Sagans’ Cosmos series. Way back in the 3rd Century BC, the Greek philospher Eratosthenes of Cyrene devised a method of...
View ArticleAstro-Themed Drinks for Cloudy Nights
To drink…(and/or) observe? (Photo by Author). There is a long tradition of alcohol in Astronomy. Tycho Brahe was a great imbiber. Beer Crater (actually named after the imminent selenographer, Wilhelm...
View ArticleDetermine Your Longitude: the Lunar Eclipse Method Part I
A Ruddy Lunar Eclipse. (All photos by Author). 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!...
View ArticleDetermine your Longitude: the Lunar Eclipse Method Part II
(All Photos by Author). 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...
View Article12 Amazing Moments in Science.
Edwin Hubble in the archetypal astronomer pose! (Credit: NASA Quest). Let it be known that this post did indeed start with 12 whenever someone mentions the most exalted achievements of mankind,...
View ArticleNear Earth Objects: Mitigating the Threat.
(Editors Note: What follows is a scenario/article along with an original lesson plan re-written for a blog format). Arizona Meteor Crater… x100=a bad day for the Earth? (Photo by Author). Eventually,...
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