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      • Global warming
      • View from space
    • Space Exploration
      • History of space exploration
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      • Action and Reaction
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      • Spark chamber
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      • Gyroscope
      • Living in space
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      • Lunar missions
  • 2F
    • The Sun, Earth and Moon
      • How was the moon formed ?
      • Lunar phases
      • Tides
      • Why does the moon always keep the same side toward us ?
      • Why does the moon seem to follow us ?
      • Night sky in Taiwan
      • Constellations
      • 2D and 3D pattern of stars
      • Celestial sphere
      • The sun's annual path in the sky
      • The sun, earth and moon system
      • The calendar and solar terms
    • The Solar System
      • The formation of the solar system
      • The structure of the solar system
      • Discovery of the uranus and neptune
      • Celestial bodies in the solar system
      • Fly through planets
      • Exploration of the solar system
      • Designation of SSSB
      • Asteroid impact
      • Comets
      • Meteorites
      • Craters
      • Meteors and meteor showers
    • Stars
      • Sun in multi-wavelengths
      • Solar activity
      • Stellar structure
      • Spectra
      • Stellar temperature
      • Stellar magnitudes
      • Magnitudes
      • Distance to a star
      • Hertzsprung-russel diagram and the life of stars
      • Compact objects
      • Black holes
      • Variable stars
      • Cepheid variables and eclipsing binary stars
    • The Milky Way
      • The Milky Way galaxy
      • The structure of the Milky Way galaxy
      • The center of the Milky Way galaxy
      • Sun's neighbor stars
      • Interstellar distances
      • Nebulae and star clusters
    • Kids House
      • KD
  • 3F
    • Galaxies
      • Hubble's classification of galaxies
      • Galactic spiral arms
      • Active galaxies
      • Searching for galaxies
      • Aggregation of galaxies
      • How to determine a galaxy's distance from us ?
      • Gravitational lensing
      • The collision and cannibalism between galaxies
      • The local group
    • The Universe
      • Evolution of the universe
      • Prograde and retrograde
      • Doppler effect
      • Receding galaxy
      • Hubble's Law
      • The brief history of the universe
      • Cosmic microwave background radiation
      • Scale of the universe
      • Eppur si muove!
      • Mass and energy in the universe
    • The Search for Life
      • Life on earth
      • Habitable zone
      • Aliens
      • How environment affects life forms?
      • The difficulties of finding exoplanets
      • Astrometric method
      • Radical velocity method
      • Transit method
      • Microlensing method
      • The number of discovered exoplanets
      • Drake equation
      • Signals sent to outer space by humans
      • Send out your own signal
      • The search for alien radio signals
    • Observations
      • Development and achievements of astronomical instruments
      • Principles of astronomical instruments
      • The armillary sphere
      • Sextant
      • Refracting telescope and reflecting telescope
      • Equatorial Mount and Alt-Azimuth mount
      • The imaging principle and the function of the refractors
      • Making a liquid mirror telescope
      • The imaging principle of a concave mirror
      • Electromagnetic spectrum
      • Ground-based observatories
      • Radio telescopes
      • Space telescopes
    • Astronomy in Taiwan
      • The history of astronomy in Taiwan
      • Astronomical research in Taiwan
    • Starry Passage
      • What are gravitational waves ?
  • Exhibition Map
  • TAM
  • 繁體中文
 
  • Home
  • 1F
    • The Earth
      • Star-studded sky
      • History of the earth
      • Structure of the earth
      • Earth system
      • Tornado
      • Severe weather
      • Global warming
      • View from space
    • Space Exploration
      • History of space exploration
      • Rockets
      • Action and Reaction
      • Air rockets
      • Space transportation system
      • Satellite orbit
      • Solar wind
      • Aurora
      • Spark chamber
      • Gyroscope trainer
      • Gyroscope
      • Living in space
      • Space experiment
      • Landing on the moon
      • Lunar missions
  • 2F
    • The Sun, Earth and Moon
      • How was the moon formed ?
      • Lunar phases
      • Tides
      • Why does the moon always keep the same side toward us ?
      • Why does the moon seem to follow us ?
      • Night sky in Taiwan
      • Constellations
      • 2D and 3D pattern of stars
      • Celestial sphere
      • The sun's annual path in the sky
      • The sun, earth and moon system
      • The calendar and solar terms
    • The Solar System
      • The formation of the solar system
      • The structure of the solar system
      • Discovery of the uranus and neptune
      • Celestial bodies in the solar system
      • Fly through planets
      • Exploration of the solar system
      • Designation of SSSB
      • Asteroid impact
      • Comets
      • Meteorites
      • Craters
      • Meteors and meteor showers
    • Stars
      • Sun in multi-wavelengths
      • Solar activity
      • Stellar structure
      • Spectra
      • Stellar temperature
      • Stellar magnitudes
      • Magnitudes
      • Distance to a star
      • Hertzsprung-russel diagram and the life of stars
      • Compact objects
      • Black holes
      • Variable stars
      • Cepheid variables and eclipsing binary stars
    • The Milky Way
      • The Milky Way galaxy
      • The structure of the Milky Way galaxy
      • The center of the Milky Way galaxy
      • Sun's neighbor stars
      • Interstellar distances
      • Nebulae and star clusters
    • Kids House
      • KD
  • 3F
    • Galaxies
      • Hubble's classification of galaxies
      • Galactic spiral arms
      • Active galaxies
      • Searching for galaxies
      • Aggregation of galaxies
      • How to determine a galaxy's distance from us ?
      • Gravitational lensing
      • The collision and cannibalism between galaxies
      • The local group
    • The Universe
      • Evolution of the universe
      • Prograde and retrograde
      • Doppler effect
      • Receding galaxy
      • Hubble's Law
      • The brief history of the universe
      • Cosmic microwave background radiation
      • Scale of the universe
      • Eppur si muove!
      • Mass and energy in the universe
    • The Search for Life
      • Life on earth
      • Habitable zone
      • Aliens
      • How environment affects life forms?
      • The difficulties of finding exoplanets
      • Astrometric method
      • Radical velocity method
      • Transit method
      • Microlensing method
      • The number of discovered exoplanets
      • Drake equation
      • Signals sent to outer space by humans
      • Send out your own signal
      • The search for alien radio signals
    • Observations
      • Development and achievements of astronomical instruments
      • Principles of astronomical instruments
      • The armillary sphere
      • Sextant
      • Refracting telescope and reflecting telescope
      • Equatorial Mount and Alt-Azimuth mount
      • The imaging principle and the function of the refractors
      • Making a liquid mirror telescope
      • The imaging principle of a concave mirror
      • Electromagnetic spectrum
      • Ground-based observatories
      • Radio telescopes
      • Space telescopes
    • Astronomy in Taiwan
      • The history of astronomy in Taiwan
      • Astronomical research in Taiwan
    • Starry Passage
      • What are gravitational waves ?
  • Exhibition Map
  • TAM
  • 繁體中文
  • More
    • Home
    • 1F
      • The Earth
        • Star-studded sky
        • History of the earth
        • Structure of the earth
        • Earth system
        • Tornado
        • Severe weather
        • Global warming
        • View from space
      • Space Exploration
        • History of space exploration
        • Rockets
        • Action and Reaction
        • Air rockets
        • Space transportation system
        • Satellite orbit
        • Solar wind
        • Aurora
        • Spark chamber
        • Gyroscope trainer
        • Gyroscope
        • Living in space
        • Space experiment
        • Landing on the moon
        • Lunar missions
    • 2F
      • The Sun, Earth and Moon
        • How was the moon formed ?
        • Lunar phases
        • Tides
        • Why does the moon always keep the same side toward us ?
        • Why does the moon seem to follow us ?
        • Night sky in Taiwan
        • Constellations
        • 2D and 3D pattern of stars
        • Celestial sphere
        • The sun's annual path in the sky
        • The sun, earth and moon system
        • The calendar and solar terms
      • The Solar System
        • The formation of the solar system
        • The structure of the solar system
        • Discovery of the uranus and neptune
        • Celestial bodies in the solar system
        • Fly through planets
        • Exploration of the solar system
        • Designation of SSSB
        • Asteroid impact
        • Comets
        • Meteorites
        • Craters
        • Meteors and meteor showers
      • Stars
        • Sun in multi-wavelengths
        • Solar activity
        • Stellar structure
        • Spectra
        • Stellar temperature
        • Stellar magnitudes
        • Magnitudes
        • Distance to a star
        • Hertzsprung-russel diagram and the life of stars
        • Compact objects
        • Black holes
        • Variable stars
        • Cepheid variables and eclipsing binary stars
      • The Milky Way
        • The Milky Way galaxy
        • The structure of the Milky Way galaxy
        • The center of the Milky Way galaxy
        • Sun's neighbor stars
        • Interstellar distances
        • Nebulae and star clusters
      • Kids House
        • KD
    • 3F
      • Galaxies
        • Hubble's classification of galaxies
        • Galactic spiral arms
        • Active galaxies
        • Searching for galaxies
        • Aggregation of galaxies
        • How to determine a galaxy's distance from us ?
        • Gravitational lensing
        • The collision and cannibalism between galaxies
        • The local group
      • The Universe
        • Evolution of the universe
        • Prograde and retrograde
        • Doppler effect
        • Receding galaxy
        • Hubble's Law
        • The brief history of the universe
        • Cosmic microwave background radiation
        • Scale of the universe
        • Eppur si muove!
        • Mass and energy in the universe
      • The Search for Life
        • Life on earth
        • Habitable zone
        • Aliens
        • How environment affects life forms?
        • The difficulties of finding exoplanets
        • Astrometric method
        • Radical velocity method
        • Transit method
        • Microlensing method
        • The number of discovered exoplanets
        • Drake equation
        • Signals sent to outer space by humans
        • Send out your own signal
        • The search for alien radio signals
      • Observations
        • Development and achievements of astronomical instruments
        • Principles of astronomical instruments
        • The armillary sphere
        • Sextant
        • Refracting telescope and reflecting telescope
        • Equatorial Mount and Alt-Azimuth mount
        • The imaging principle and the function of the refractors
        • Making a liquid mirror telescope
        • The imaging principle of a concave mirror
        • Electromagnetic spectrum
        • Ground-based observatories
        • Radio telescopes
        • Space telescopes
      • Astronomy in Taiwan
        • The history of astronomy in Taiwan
        • Astronomical research in Taiwan
      • Starry Passage
        • What are gravitational waves ?
    • Exhibition Map
    • TAM
    • 繁體中文
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