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      • Tornado
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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
      • 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
 
  • 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












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

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