Dave Eicher, editor of Astronomy magazine and science popularizer, brings you thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and more.
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What do the days of the week mean?

Posted 5 years ago by David Eicher
Astronomy’s roots in human culture run deep, and rarely more so than with nomenclature for our days of the week. Origins of the days of the week date to Sumerians around 5,000 B.C. The Romans revised them in A. D. 321. The Romans named weekdays after the “wandering stars” that moved through the sky and were thus “alive,” becoming candidates for worship as gods. At the time, seven such gods were known, which by coincidence matched the Biblical seven days ...
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Formaldehyde and arsenic — two fun substances

Posted 5 years ago by David Eicher
Welcome to "Dave’s universe," the new blog by Dave Eicher, editor of Astronomy magazine, and astronomy and science popularizer. I’ll be bringing you new thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and other miscellany. I hope you’ll enjoy it! Early this week, we heard about an important discovery by three astronomers at the Carnegie Institution of Washington. George Cody, Co...
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Let’s get our words straight, people!

Posted 5 years ago by David Eicher
Welcome to “Dave’s universe,” the new blog by Dave Eicher, editor of Astronomy magazine, and astronomy and science popularizer. I’ll be bringing you new thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and other miscellany. I hope you’ll enjoy it! Ya know what really ticks me off? When people talk about some developing idea in science that may or may not be right, and they ca...
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How old is the universe?

Posted 5 years ago by David Eicher
Welcome to “Dave’s universe,” the new blog by Dave Eicher, editor of Astronomy magazine, and astronomy and science popularizer. I’ll be bringing you new thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and other miscellany. I hope you’ll enjoy it! Over the past century, astronomers have deduced several ways to estimate the age of the universe. By using each of these me...
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The Kepler space telescope is about to reset your brain

Posted 5 years ago by David Eicher
Welcome to “Dave’s universe,” the new blog by Dave Eicher, editor of Astronomy magazine, and astronomy and science popularizer. I’ll be bringing you new thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and other miscellany. I hope you’ll enjoy it! While in Tunisia last week, I was able to hang out with a very cool couple. Marcie Smith is the mission director of NASA’s Kepler ...
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The Ten Commandments of the Universe

Posted 5 years ago by David Eicher
Welcome to “Dave’s universe,” the new blog by Dave Eicher, editor of Astronomy magazine, and astronomy and science popularizer. I’ll be bringing you new thoughts about astronomy, cosmology, nature, the hobby of astronomy, the sometimes disturbingly pseudoscientific culture we live in, and other miscellany. I hope you’ll enjoy it! We’re all familiar with the Ten Commandments of biblical verse, a set of religious imperatives given by God to the people of Israel...