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Astronomy and Space Sciences -
Dewey 520


[a constantly changing URL database with content relevant to elementary school curricula]

	Astronomy resources		Celestial mechanics * Gravitation Orbits Apogee Perigee
	Astronomical Equipment * Observatories Telescopes Quadrants Astrolabes Magnetic compass		Celestial bodies and phenomena * Galaxies Solar system 1. Moon * and eclipses 2. Individual planets * 3. Meteroids * 4. Solar wind 5. Comets * 6. Sun * and eclipses 7. Stars * 8. Satellites * and rings
	EARTH * size, shape orbits and motions (rotation, zodiac * ) seasons * and time zones (standard time and daylight savings time) sunrise and sunset tables tides		Mathematical geography Positional astronomy * latitude longitude map reading
	Celestial navigation Determination * of latitude and longitude Applying * the use of latitude and longitude		Calendars * Arithmetic and astronomical solar and lunar calendars
	Time * around the world local times		Learning about astronomy

Astronomy & Space Sciences - Dewey 520

Guides, indexes, databases of astronomy resources (520.2)

• Astronomical images and databases (520.3)
  • Astronomical images * and animations
• Astronomy organizations (520.6)
  
  
• Study and teaching of astronomy (520.7)

Celestial mechanics - Dewey 521

• Gravitation (521.1)
  
  
  • Shape of gravity and space
  • Motion of planets around the sun
    • Sir Isaac Newton *
    • Power of gravity *
  
  
  
• Orbits (521.3)
  • Apogee and perigree
  
  
  
• Perturbations (521.4)
  
  
• Theoretical astronomy (521.5)
  
  
  • Johannes Kepler (1571-1630) - First two laws of planetary * motion
  
  
  
• Theory of satellites (521.6)
  
  
• Theory of meteroids (521.7)
  
  

Techniques, equipment, materials - Dewey 522

• Observatories (522.1)
  
  
• Astronomical instruments (Telescopes, Quadrants *) (522.2)
  
  
• Meridional * instruments (522.3)
  
  
  • Zenith telescopes
• Extra meridional instruments (522.4)
  • Astrolabes * , quadrants, reflecting circles, sextants *
  • Telescopes (zenith and equatorial telescopes)
    • History of telescopes (Galileo) [shadow clocks *, sundials]
  
  
  
• Auxiliary instruments (522.5)
  
  
  • Coronagraphs, helipgraphs, micrometers, personal equation machines
  
  
  
• Special methods of observation (522.6)
  
  
  • Photometry (522.62)
  • Photography (522.63)
  • Polarimetry (522.65)
  • Spectroscopy (522.67)
  • Radio and radar astronomy (522.68)
  
  
  
• Spherical astronomy (522.7)
  
  
• Finding your way with a map and a compass *

Specific celestial bodies & phenomena - Dewey 523

• Astrophysics (Dewey 523.01)
  
  
  • Heat (Dewey 523.013)
  • Light (Dewey 523.015)
    • Aurora *
  • Electricity and magnetism (Dewey 523.018)
  • Molecular atomic nuclear physics (Dewey 523.019)
    
    
  • Cosmochemistry (Dewey 523.02)
  
  
  
• Cosmology, universe, galaxies (Dewey 523.1)
  
  
  • Space (Dewey 523.111)
  • GALAXIES - Milky Way (Dewey 523.112)
    • Intergalactic and interstellar matter (Dewey 523.1125)
  • Milky Way and interstellar matter (Dewey 523.113)
  • Quasars (Dewey 523.115)
    
    
  • Cosmogony (expanding universe theories) (Dewey 523.12)

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Parts of the solar system (Dewey 523.2)

[Views * of Ptolemy Nicholaus Copernicus (1473-1543)]

• Nine planets * (Dewey 523.209)
  
  
  
  • Overall information
    • The Nine * Planets
    • Welcome to the Planets *
    • Planet * Earth
    • Planets * Express Tour
    • World Region * Rooms 1 and 2

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The Moon (Dewey 523.3)

• Theory, tables, charts, photos of the moon
• Size, mass, parallax (Dewey 523.31)
• Brightness, phases (Dewey 523.32)
• Orbit and motions (Dewey 523.33)
• Spectroscopy (Dewey 523.37)
• Eclipses (Dewey 523.38)

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The Individual Planets (Dewey 523.4)

• Mercury (Dewey 523.41)
• Venus (Dewey 523.42)
• Mars (Dewey 523.43)
• Asteroids * (planetoids) (Dewey 523.44)
• Jupiter (Dewey 523.45)
• Saturn (Dewey 523.46)
• Uranus (Dewey 523.47)
• Trans-Uranium planets (Dewey 523.48)
  • Neptune (Dewey 523.481)
  • Pluto (Dewey 523.482)
• Earth (See: Dewey 525)

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Meteoroids, solar wind, zodiacal light (Dewey 523.5)

• Meteroids * (Dewey 523.51)
• Meteoric showers (Dewey 523.53)
• Solar wind (Dewey 523.58)
• Zodiacal light (Dewey 523.59)

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Comets 1 2 (Dewey 523.6)

• Motion and orbits (Dewey 523.63)
  • Comets * - what is it, parts
  • Comets * - visible in the sky
  • Fact sheets * - comets from the past
  • Comet images *in NSSDC Photo Gallery of Comets
  
  
  
• Specific comets (Dewey 523.64)
  
  
  • Halley's comet (Dewey 523.642)
  • Comet Hyakutake
    • Images * - Comet Hyakutake
    • Comets * - what is it, parts
    • Comet Hyakutake * - discovery
    • Finders Chart * - to find Comet Hyakutake

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Sun and eclipses (Dewey 523.7)

• Sun's constants and dimensions * (size, mass, parallex) (Dewey 523.71)
• Sun's optical, thermal, electromagnetic *, radioactive phenomena (Dewey 523.72)
• Sun's motions (rotation) (Dewey 523.73)
• Photosphere (sunspots) (Dewey 523.74)
• Chromosphere and corona (solar flares) (Dewey 523.75)
• Internal constitution of the sun (Dewey 523.76)
• Spectroscopy (Dewey 523.77)
• Eclipses of the sun (Dewey 523.78)
• Charts and photos of the sun (Dewey 523.79)

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Stars (Dewey 523.8)

• Stars' constants and dimensions (Dewey 523.81)
• Optical, thermal, electromagnetism of stars (Dewey 523.82)
• Motions of the stars (Dewey 523.83)
• Aggregations and variable stars (Dewey 523.84)
• Clusters of stars (Dewey 523.85)
  • Constellations * [Ursa Major, the Big Dipper, Polaris *] [Seasonal * sky locations - winter *, spring *, summer *, fall *]
• Physical constitution of stars (Dewey 523.86)
• Spectral types of stars(Dewey 523.87)
• Kinds of stars by stellar evolution (Dewey 523.88)
  • Terminal stages of stars (Dewey 523.887)
    • Supernova * evolution
    • Neutron stars and pulsars (Dewey 523.8874)
    • Black holes (Dewey 523.8875)

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Satellites and rings, eclipses, transits, occultations (Dewey 523.9)

[unassigned - Dewey 524]

EARTH (Astronomical geography) - Dewey 525

• Earth constants and dimensions - size and shape (Dewey 525.1)
  
  
  • Celestial sphere *
  • Eratosthenes * (250 BCE)
  
  
  
• Earth's optical, thermal, radioactive properties (Dewey 525.2)
  
  
• Earth's orbits * and motions; parallax (Dewey 525.3)
  
  
  • Earth's rotation * (Dewey 525.35)
    • The Earth's axis * and Hipparchus of Nicea (equinoxes)
      • Equinox and zodiac signs * of the Earth
  • Sunrise and sunset (tables of the sun) (Dewey 525.38)
    • Calculations of time * - sunrise and sunset (see: 372.74 Math tables)
    • Time in the United States - The Time * NOW
    • Local time * - (see: 372.74 Math tables)
    • Calculations of time * - sunrise and sunsets
  
  
  
• The Earth's seasons and time zones * (Dewey 525.5)
  • Seasons *
  • The Daytime Sky *
  • The Night Sky *
    • standard time and daylight * saving time
    • Official time in the United States *
  
  
  
• The Earth's tides * (Dewey 525.6)

Mathematical geography - Dewey 526

• Map drawing and drafting illustrations (Dewey 526.0221)
  
  
• Geodetic and positional astronomy (Dewey 526.6)
  
  
  • Latitude (Dewey 526.61)
    • Determination of latitude * (Dewey 527.1) and longitude (Dewey 527.2)
  
  
  
  • Longitude (Dewey 526.62)
  
  
  
  • Azimuth (Dewey 526.63)
    
    
  • Maps and map making (Dewey 526.68)

• Map projections (cartography) [map reading *] (Dewey 526.8)
  
  
  • Mathematics * of cartography

• Surveying (Dewey 526.9)

Celestial * navigation * - Dewey 527

• Determination of latitude * (Dewey 527.1) and longitude (Dewey 527.2)
  
  
  • Origin of the prime * meridian
  • Meridian line at Greenwich *
  • * * Latitude and longitude * of ANY city
  • Latitude and longitude * of U. S. cities
  • Crack the code * - Introduction to latitude and longitude
  • Where Were U. S. Presidents Born? * - application of latitude and longitude
  • Art and science of 15th century navigation * - latitude and longitude
  • Finding your way with a map and a compass *
  • Distance between two cities *
  • Find your census address *
  
  
  
• Direction and course (Dewey 527.5)

Ephemerides 1 2 - Dewey 528

Chronology (Calendars and Time) - Dewey 529

• Days (sidereal * and solar days) (Dewey 529.1)
  • Sidereal * compass
  
  
  
• Intervals of time (years, months, weeks) (Months - - Dewey 529.2)
  
  
• Calendars (Dewey 529.3)
  
  
  • Calendars of specific religious traditions (Dewey 529.32)
    • Jewish calendar [lunisolar arithmetic] (Dewey 529.326)
      • About the Hebrew * calendar
      • Calculate the Hebrew date *
    • Islamic * calendar [lunar] and Bahai calendar [astronomical solar]
  
  
  
• Western calendars (Dewey 529.4)
  
  
  • Julian calendar * [solar arithmetic] and Roman calendar (Dewey 529.42)
  • Gregorian * calendar [solar arithmetic] (Dewey 529.43)
  • Christian church calendar (including movable feasts and fast days)[lunisolar arithmetic] (Dewey 529.44)
  
  
  
• Calendar reform (Dewey 529.5)
  
  
  • 46 BCE - Julian * calendar
  • 1582 - Gregorian * calendar

• Calendar types
  
  
  • Perpetual calendar *
  • On This Day in History *- database search feature (see: 973.02)
  
  
  
  • Prehistoric * calendars
    
    
    • Palaeolithic moon
    • Megaliths of France and Britain [Stonehenge - Salisbury Plain, Wiltshire County, south England) and New Grange]
    
    
    
  • Empirical calendars
    
    
  • Calculated calendars
    
    
    • Lunar - Islamic * and Babylonian *
      
      
    • Solar
      • Astronomical solar - Baha'i
      • Arithmetic solar - Julian *, Gregorian *, Coptic, Ethiopian
      
      
      
    • Lunisolar
      • Lunisolar astronomical - Chinese *, Japanese, Laotian, Cambodian, Vietnamese, Indian *
      • Lunisolar arithmetic - Jewish, Christian * ecclesiastical
      
      
      
    • Calendar with a wandering year
      • Egyptian *, Mayan *, Aztec, Zapotec, Toltec, Olmec

• Horology (finding and measuring time) (Dewey 529.7)
  • Time systems and standards (see: 389.17)
  • Instruments for measuring time (see: 681.11)
    • A Walk through Time *
    • 10th century sundials *, water clocks *, and sand clocks (Dewey 529.78)
    • Canonical hours
    • 14th century mechanical clocks
    • Spring-powered clocks (Peter Henlein, early 1500s)
    • 1656 - Huygens (Dutch) - pendulum clock based on Galileo's concept
    • Early machines
    • Hourglasses

• Local time around the world
  
  
  • Local times * - from around the world (see: 372.74 Math tables)
  • Times in countries * from around the world (see: 372.74 Math tables)
  • Local times * from around the world (see: 372.74 Math tables)

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As of December 4, 2003, you are visitor to enjoy Inquiry Unlimited's space and astronomy resources.

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Eureka! Inquiry Unlimited is a work in progress. Comments may be sent to Inquiry Unlimited *
Copyright © 1997 Marjorie Duby, practitioner formerly sited at Joseph Lee School, Boston, MA.
All Rights Reserved. Last modified: March 9, 2004.

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