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meteor shower

(Encyclopedia) meteor shower, increase in the number of meteors observed in a particular part of the sky. The trails of the meteors of a meteor shower all appear to be traceable back to a single…

Alpha Centauri

(Encyclopedia) Alpha CentauriAlpha Centauriălˈfə sĕntôrˈē [key], brightest star in the constellation Centaurus and 3d-brightest star in the sky; also known as Rigil Kent or Rigil Kentaurus; 1992…

white dwarf

(Encyclopedia) white dwarf, in astronomy, a type of star that is abnormally faint for its white-hot temperature (see mass-luminosity relation). Typically, a white dwarf star has the mass of the sun…

Phenomena, 2006: April

For terms in boldface, see Astronomical Terms.DayPhenomenonHour3Mars is 4° south of the Moon.20005FIRST QUARTER12005Saturn appears to be motionless in the sky as it goes from retrograde…

July 2008 Phenomena

For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 1 Jupiter is 0° 7' south of Saturn…

December 2008 Phenomena

For terms in boldface, see Astronomical Terms. Day Phenomenon Hour 1 Venus is 2° north of Jupiter. 0424…

Sun, Moon, and Stars: July 2001

Movement of the heavenly bodies: July 2001   July Calendar Moon Phase Day Phenomenon Hour (UT) Hour (EST) 3 Mars is 6 degrees south of the Moon. 1000 6 am…

Phenomena, 2006: February

For terms in boldface, see Astronomical Terms.DayPhenomenon Hour3Venus appears to be motionless in the sky as it moves toward its greatest elongation west of the Sun from a position east of…

Phenomena, 2005: July

JulyFor terms in boldface, see Astronomical Terms.DayPhenomenonHour5Earth is at aphelion.05006NEW MOON12007Mercury is 1° 6' south of Venus.08008Mercury is 5° south of the Moon.18008The Moon…

Phenomena, 2006: January

For terms in boldface, see Astronomical Terms.DayPhenomenonHour1Venus is 7° north of the Moon.10001The Moon is at perigee.23002Neptune is 4° north of the Moon.12004Uranus is 2° north of the…