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Pluto Demoted!

Not a planet anymore by Chris Frantz The new solar system, with Pluto demoted from planet status. Credit: The International Astronomical Union/Martin Kornmesser. Click here for a…

The Right Stuff

Pioneer John Glenn Returns to Space by Michael Morrison For more information on the space program, check out the following links: Apollo 11 MoonwalkNotable Staffed Space FlightsU.S. Staffed…

Chemistry: Important Terms and Units

Important Terms and UnitsChemistryThe Kinetic Molecular Theory of GasesWhat Are Gases?The Kinetic Molecular Theory of Gases: Why Gases Do What They DoWhy This Is Important: Ideal GasesImportant Terms…

Brewer's: Primum Mobile

in the Ptolemaic system of astronomy, was the tenth (not ninth) sphere, supposed to revolve from east to west in twenty-four hours, carrying with it all the other spheres. The eleven…

1975 Radio & Records All-Time Charts

1975 Radio & Records All-Time ChartsPop“Love Will Keep Us Together” Captain and Tennille (A&M)“Another Somebody Done Somebody Wrong” B.J. Thomas (ABC)“Wildfire” Michael Murphey (Epic…

Phenomena, 2005: February

FebruaryFor terms in boldface, see Astronomical Terms.DayPhenomenon Hour2LAST QUARTER07002Jupiter appears to be motionless in the sky as it goes from direct motion to retrograde motion.…

April 2008 Phenomena

For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 4 Venus is 4° 7' south of the Moon…

Brewer's: Barbe

(Ste.) The powder-room in a French ship; so called from St. Barbara, the patron saint of artillery. (See Barbary.) A barbe de fou apprend-on à raire (French). An apprentice is taught to…