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Meteors and Meteorites
This crater in Arizona was caused by a 30 m wide, 100,000 ton meteor. The impact crater is 1.1 kilometers wide and 200 m deep. (Source: US Geological Survey) The term meteor for what is…Brewer's: Cycle
A period or series of events or numbers which recur everlastingly in precisely the same order. Cycle of the moon, called “Meton's Cycle,” from Meton, who discovered it, is a period of…Phenomena, 2006: November
For terms in boldface, see Astronomical Terms.DayPhenomenonHour1Uranus is 0° 5' north of the Moon. Occultation of Uranus by the Moon.08004The Moon is at perigee.00005FULL MOON13008Mercury is…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.…Phenomena, 2005: April
AprilFor terms in boldface, see Astronomical Terms.DayPhenomenonHour2LAST QUARTER01003Jupiter is at opposition.16003Mars is 4° north of the Moon.22004Neptune is 5° north of the Moon.09004The…Phenomena, 2005: August
AugustFor terms in boldface, see Astronomical Terms.DayPhenomenonHour4The Moon is at apogee.22005NEW MOON03006Mercury is in inferior conjunction.00008Venus is 1° 2' south of the Moon.…August 2008 Phenomena
For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 1 NEW MOON 0513 1…Back to School Center
Calculate Distance Latitude and Longitude Roman Numeral Challenge Spelling Challenge Conversion Calculator Word Quiz: opprobrium Periodic Table…Landmarks of New York City
by Mark D. Hughes photos by Carol M. Highsmith The City of New York is the largest city in the United States, and home to many of the country's most famous and…Fourth of July Quotes
Founders' Wisdom: quotations from signers of the Declaration of Independence Compiled by Elizabeth Olson We hold these truths to be self-evident, that all men are created…Trending
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