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Algol, in astronomy

(Encyclopedia) AlgolAlgolălˈgŏl [key], famous variable star in the constellation Perseus; Bayer designation β Persei; 1992 position R.A. 3h07.7m, Dec. +40°55′. Algol's variation in apparent magnitude…

Brahe, Tycho

(Encyclopedia) Brahe, TychoBrahe, Tychotīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving…

Phenomena, 2007: November

For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 1 Mercury appears to be motionless in…

Phenomena, 2005: November

NovemberFor terms in boldface, see Astronomical Terms.DayPhenomenonHour2NEW MOON01002The asteroid Juno 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…

May 2008 Phenomena

For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 2 Pleiades is 2° south of Mercury…

Homework Facts: Science

Science Animals | Computers | Astronomy | Weather | Space | Science & Technology Animals Classifying Animals Vertebrates and Invertebrates Hibernation and Aestivation Parasites,…

July 2000 Feature Schedule

July 2000 Feature Schedule Note: This schedule lists only the day's lead feature(s). Five to ten articles are featured daily. Schedule is subject to change.June 2000 | August 2000 Monday…

Phenomena, 2005: January

JanuaryFor terms in boldface, see Astronomical Terms.DayPhenomenonHour2Earth is at perihelion.01003LAST QUARTER18004Jupiter is 0° 4' north of the Moon. Occultation of Jupiter by the Moon.…

Phenomena, 2006: May

For terms in boldface, see Astronomical Terms.DayPhenomenonHour2Mars is 4° south of the Moon.11003Pallas, the second-largest asteroid, appears to be motionless in the sky as it goes from…