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    • SDSS Plates for Education
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  • Preflight
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      • RA and Dec
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    • Expedition to Galaxies
      • Galaxy Color
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      • Whose spectrum is it?
      • Is the galaxy… spiral or elliptical?
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Voyages
Voyages
  • Home
  • Español
    • Para estudiantes
    • Para Investigadores
    • Para Educadores
      • Planea tu viaje
      • Placas SDSS
        • Mi Placa
          • Placas de APOGEE
        • Actividades
    • Pre-vuelo
      • Localizando Objetos
        • RA y Dec
        • Asteroides
        • SQL
        • Artefactos
      • Luz
        • Espectros
        • Corrimiento al rojo
        • Filtros
        • Magnitud
        • Calculando la magnitud
      • Capturando y grabando la luz
        • Telescopio SDSS
        • Instrumentos SDSS
        • Tipos de Datos
      • Placas del SDSS
    • Lanzamiento
      • Lanzamiento al SDSS
        • ¿Qué es el SkyServer?
        • Mi Lugar Especial en el base de datos del SDSS
      • Sistema Solar
        • Asteroides
      • Vía Láctea
        • Constelaciones
        • Espectro Estelar
        • Color Estelar
        • Estrellas y Cuerpos Negros
      • Cosmos
        • Formas de galaxias
        • Redshift o corrimiento al rojo
        • Diagramas de color-magnitud extra-galácticos
    • Expediciones
      • Galaxias
      • Universo
        • El universo en expansión
          • Más allá de la Vía Láctea
          • Distancias a galaxias
            • Imágenes de los cúmulos Abell
          • Relación corrimiento al rojo-magnitud
  • For Researchers
  • For Students
  • SDSS at Work
  • For educators
    • Plan Your Voyage
    • SDSS Plates for Education
      • My Plate
        • Discovering constellations using SDSS BOSS/eBOSS plates
        • Discovering constellations using SDSS APOGEE plates
      • Plate Resources
    • Teacher Guides
    • Accessibility Resources
    • Teacher Lesson Contributions
  • Preflight
    • Locating Objects
      • Asteroids
      • Mapping the Sky
      • Artifacts
      • SQL
    • Light
      • Spectra
      • Redshift
      • Filters
      • Magnitudes
    • Capturing & Recording Light
      • SDSS Instruments
      • SDSS Telescope
      • Types of Data
    • SDSS Plates
  • Launch
    • Launch into the SDSS
      • My Special Place in the SDSS Database 
      • What is the SkyServer?
      • Scavenger Hunt
        • Colors of Objects
        • Spectra
        • The Explore Tool
        • Types of Objects (Part 1)
        • Types of Objects (Part 2)
        • The Scavenger Hunt
      • Old Time Astronomy
        • Astronomy Drawing
        • Hello from the Netherlands!
        • Drawing Tips
        • Get Your Object
          • Object #1
          • Object #2
          • Object #3
          • Object #4
          • Object #5
          • Object #6
          • Object #7
          • Object #8
          • Object #9
          • Object #10
          • Object #11
          • Object #12
        • Compare Your Drawings
        • Guess the Place!
        • Conclusion
    • Solar System
      • Asteroids
        • Moving Objects
        • How to Find Asteroids (Part 1)
        • How to Find Asteroids (Part 2)
        • Find those asteroids
        • Asteroid Hunt!
    • Milky Way
      • Constellations in SDSS data
        • Match Constellations with SDSS Imaging
        • Discover new constellations in SDSS images
      • Stellar Spectra
        • Searching SAS RA and Dec
        • From Constellation Notebook to SAS Spectra List
      • Star Color
      • Types of Stars
        • Spectra of Stars
        • Exploring Spectra
        • Absorption and Emission Lines (Part 1)
        • Absorption and Emission Lines (Part 2)
        • Classifying by Line Strength
        • Classifying by Temperature
        • Temperature and Line Strength
        • Understanding Stars
        • Research Challenges
    • Universe
      • Redshift
      • Color Magnitude Diagram
      • Gravitational Lensing
  • Expeditions
    • Expedition to the Solar System
      • Mapping the Solar System
        • Solar System: Coordinates
        • Solar System: Earth Coordinates
        • Maps and Globes
        • Solar System: Sky Coordinates
        • Solar System: RA and Dec
        • Mapping the Solar System
        • Planets
        • The Planets on September 22nd, 2006
        • Solar System: Asteroids
        • Graphing Your Data to Make a Map
        • The Shape of the Solar System
        • Earth, Sun, and Seasons
        • The Sun's Perspective
        • The Seasons
        • Conclusion
    • Expedition to the Milky Way
      • Star Colors
      • Star Clusters
        • HR Diagrams
          • SQL for CMDs
          • TOPCAT for CMDs
        • Distance Modulus
        • Isochrone Fitting
      • Spectral Types
        • Classifying Stars
        • Energy Levels of Electrons
        • Absorption and Emission Lines
        • Identifying the Spectral Types of Stars
        • Other Spectral Types
        • Follow Up Projects
    • Expedition to Galaxies
      • Is the galaxy… spiral or elliptical?
        • Classifying galaxies
        • How do galaxies move?
        • So then, is the galaxy spiral or elliptical?
          • 10510-12704 is… a spiral galaxy of type Sc
          • Oops! 10510-12704 is actually a spiral galaxy of type Sc
          • 10494-12703 is… an elliptical galaxy!
          • Oops! 10494-12703 is actually an elliptical galaxy
          • 9508-3702 is… an elliptical galaxy!
          • 10495-3702 is… a spiral galaxy of type Sc!
          • Oops! 9508-3702 is actually an elliptical galaxy
          • Oops! 10495-3702 is actually a spiral galaxy of type Sc
          • 10493-6102 is… an elliptical galaxy!
          • Oops! 10493-6102 is actually an elliptical galaxy
          • 11019-12702 is… a spiral galaxy of type Sc!
          • Oops! 11019-12702 is actually a spiral galaxy of type Sc
          • 11017-6103 is… a spiral galaxy of type Sc!
          • Oops! 11017-6103 is actually a spiral galaxy of type Sc
          • 9868-3704 is… an elliptical galaxy!
          • Oops! 9868-3704 is actually an elliptical galaxy
          • 9889-9102 is… an elliptical galaxy!
          • Oops! 9889-9102 is actually an elliptical galaxy
          • 10520-6102 is… a spiral galaxy of type Sc!
          • Oops! 10520-6102 is actually a spiral galaxy of type Sc
        • Motions are not that simple
        • How about now, is the galaxy spiral or elliptical?
          • 10219-9102 is… a spiral galaxy of type Sc!
          • Oops! 10219-9102 is actually a spiral galaxy of type Sc
          • 10221-3703 is… an elliptical galaxy!
          • Oops! 10221-3703 is actually an elliptical galaxy
          • 9888-6102 is… an elliptical galaxy!
          • Oops! 9888-6102 is actually an elliptical galaxy
          • 10842-9101 is… a spiral galaxy of type Sc!
          • Oops! 10842-9101 is actually a spiral galaxy of type Sc
          • 10220-6101 is… an elliptical galaxy!
          • Oops! 10220-6101 is actually an elliptical galaxy
          • 10213-3703 is… a spiral galaxy of type Sc!
          • Oops! 10213-3703 is actually a spiral galaxy of type Sc!
          • 10221-3702 is… an elliptical galaxy!
          • Oops! 10221-3702 is actually an elliptical galaxy
          • 10515-12704 is… a spiral galaxy of type Sc!
          • Oops! 10515-12704 is actually a spiral galaxy of type Sc
          • 9888-1902 is… an elliptical galaxy!
          • Oops! 9888-1902 is actually an elliptical galaxy
          • 11024-6101 is… a spiral galaxy of type Sc!
          • Oops! 11024-6101 is actually a spiral galaxy of type Sc
        • This is just the beginning
      • La galaxia es… ¿espiral o elíptica?
        • Clasificando galaxias
        • ¿Cómo se mueven las galaxias?
        • Y entonces, ¿es espiral o elíptica?
          • 10510-12704 es… ¡una galaxia espiral de tipo Sc!
          • ¡Ups! En realidad 10510-12704 es una galaxia espiral de tipo Sc
          • 10494-12703 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 10494-12703 es una galaxia elíptica
          • 9508-3702 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 9508-3702 es una galaxia elíptica
          • 10495-3702 es… ¡una galaxia espiral de tipo Sc!
          • ¡Ups! En realidad 10495-3702 es una galaxia espiral de tipo Sc
          • 10493-6102 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 10493-6102 es una galaxia elíptica
          • 11019-12702 es… ¡una galaxia espiral de tipo Sc!
          • ¡Ups! En realidad 11019-12702 es una galaxia espiral de tipo Sc
          • 11017-6103 es… ¡una galaxia espiral de tipo Sc!
          • ¡Ups! En realidad 11017-6103 es una galaxia espiral de tipo Sc
          • 9868-3704 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 9868-3704 es una galaxia elíptica
          • 9889-9102 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 9889-9102 es una galaxia elíptica
          • 10520-6102 es… ¡una galaxia espiral de tipo Sc!
          • ¡Ups! En realidad 10520-6102 es una galaxia espiral de tipo Sc
        • Los movimientos no son tan simples
        • Y ahora, ¿es espiral o elíptica?
          • 10219-9102 es… ¡Una galaxia espiral!
          • ¡Ups! En realidad 10219-9102 es una galaxia espiral
          • 10221-3703 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 10221-3703 es una galaxia elíptica
          • 9888-6102 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 9888-6102 es una galaxia elíptica
          • 10842-9101 es… ¡una galaxia espiral!
          • ¡Ups! En realidad 10842-9101 es una galaxia espiral
          • 10220-6101 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 10220-6101 es una galaxia elíptica
          • 10213-3703 es… ¡una galaxia espiral!
          • ¡Ups! En realidad 10213-3703 es una galaxia espiral
          • 10221-3702 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 10221-3702 es una galaxia elíptica
          • 10515-12704 es… ¡una galaxia espiral!
          • ¡Ups! En realidad 10515-12704 es una galaxia espiral
          • 9888-1902 es… ¡una galaxia elíptica!
          • ¡Ups! En realidad 9888-1902 es una galaxia elíptica
          • 11024-6101 es… ¡una galaxia espiral!
          • ¡Ups! En realidad 11024-6101 es una galaxia espiral
        • Esto es solo el comienzo
      • Whose spectrum is it?
        • Before you start…
        • Then…
        • What did you learn?
          • 1. CORRECT
          • 1. INCORRECT
          • 2. CORRECT
          • 2. INCORRECT
          • 3. CORRECT
          • 3. INCORRECT
          • 4. CORRECT
          • 4. INCORRECT
          • 5. CORRECT
          • 5. INCORRECT
          • 6. CORRECT
          • 6. INCORRECT
          • 7. CORRECT
          • 7. INCORRECT
          • 8. CORRECT
          • 8. INCORRECT
          • 9. CORRECT
          • 9. INCORRECT
          • 10. CORRECT
          • 10. INCORRECT
        • Good job!
      • ¿De quién es el espectro?
        • Antes de empezar…
        • Entonces…
        • Veamos ¿Qué aprendimos?
          • 1. CORRECTO
          • 1. INCORRECTO
          • 2. CORRECTO
          • 2. INCORRECTO
          • 3. CORRECTO
          • 3. INCORRECTO
          • 4. CORRECTO
          • 4. INCORRECTO
          • 5. CORRECTO
          • 5. INCORRECTO
          • 6. CORRECTO
          • 6. INCORRECTO
          • 7. CORRECTO
          • 7. INCORRECTO
          • 8. CORRECTO
          • 8. INCORRECTO
          • 9. CORRECTO
          • 9. INCORRECTO
          • 10. CORRECTO
          • 10. INCORRECTO
        • ¡Buen trabajo!
      • Galaxy Color
        • Galaxy Color – Design and Conduct Your Own Investigation
      • Sky Surveys
        • The Palomar Sky Survey
        • Finding Supernovae 1
        • Finding Supernovae 2
        • Other Parts of the Electromagnetic Spectrum
        • 2MASS and SDSS Images
        • The X-ray Sky
        • Conclusion
      • Galaxy Properties
        • Classifying Galaxies
        • The Hubble Tuning Fork
        • Characteristics of Galaxies
        • Galaxy Clusters
        • Separating Elliptical and Spiral Galaxies
        • Galaxy Spectra
        • Galaxy Collisions
        • Conclusion
    • Universe
      • Expanding Universe
        • Beyond the Milky Way
        • Distances to Galaxies
          • Abell Cluster Images
          • Constellation Notebook
          • Constellations Notebook Help
          • From Constellation Notebook to SAS Spectra List
        • Redshift/Magnitude Relationship
      • The Universe: Your Cosmic Address
        • The Universe: How Big Is It?
        • The Expanding Universe
        • How Do We Know
        • Distances
        • Magnitudes and Distances
        • Redshifts
        • Making the Diagram
        • The Hubble Diagram and the Expanding Universe
        • The Big Bang
        • The Hubble Diagram with More Galaxies
        • Research Challenges
      • Hubble Diagram
        • A Simple Diagram
        • Estimating Distances to Galaxies
        • Redshifts
        • The Hubble Diagram
      • Quasars
        • Early Radio Astronomy
        • VLA FIRST Radio Survey
        • Strange Objects in the Sky
        • SDSS Quasars
        • What are Quasars?
        • The Power Source of Quasars
        • Research Using Quasar Data
        • Conclusion
  • Hands-On Activities
    • Galaxy Shapes
      • Introducing Edwin Hubble Galaxy Classification
    • Accessibility Resources
  • Tools
  • Help
    • Constellations Notebook Help
    • SkyServer Navigate
      • Advanced Options – Bounding Boxes
      • Advanced Options – Masks
      • Advanced Options – Outlines
      • Advanced Options – Plates
      • Drawing Options – Grid
      • Drawing Options – Invert Image
      • Drawing Options – Label
      • Drawing Options – Objects with Spectra
      • Drawing Options – Photometric Objects
      • Fields
    • Quick Look
      • Quick Look – Sidebar
    • Explore – Main Window
      • Explore – Sidebar
        • Search By
      • Photometric Information
      • Flags
        • Flags – Deblending and Children
      • PhotoObj
    • SAS
      • SAS Interactive Spectrum Tool
      • Searching SAS RA and Dec
    • Graphing and Analyzing Data
      • Enter Data
      • Open a CSV file
      • Create a New Column from a Calculation
      • Select Data to Graph
      • Create a Graph
      • Change the Scale of a Graph
      • Fit a Curve to Data
      • Copy SDSS Object IDs
  • SkyServer
    • Basic Projects
      • Galaxies
        • Classifying Galaxies
        • Spiral Galaxies
        • Elliptical Galaxies
        • Lenticular Galaxies
        • Irregular Galaxies
        • The Hubble Tuning Fork
        • Galaxy Clusters
        • Galaxy Collisions
        • Other Ways to Classify Galaxies
        • Conclusion
      • Constellations
        • A Simple Made-Up Constellation
        • Compare Shapes
        • Orion
        • Stars in Orion
        • Other Shapes in Orion
        • Other Constellations
        • Constellations in SkyServer
        • A SkyServer Example
    • Advanced Projects
      • Color
        • Colors of Stars in the SDSS
        • The Definition of Color in Astronomy
        • What is Color?
        • Light from Stars
        • Color and Temperature
        • Observed Spectra
        • Color-Color Diagrams
        • Are Stars Thermal Sources?
        • Conclusion
      • The Hertzsprung-Russell Diagram
        • Making an H-R Diagram
        • A Simple H-R Diagram
        • A More Complete H-R Diagram
        • An H-R Diagram for the Nearest Stars
        • Extending the H-R Diagram to More Stars
        • Hipparcos Satellite Data
        • Calculating Distances from Parallax Angles
        • H-R Diagram of a Globular Cluster
        • Searching for Data
        • Conclusion
    • SkyServer Research Challenges
      • Galaxy Color
      • Classifying Small Galaxies
      • Quasar Spectra
      • Map the Universe
      • HII Regions
        • Characteristics
        • Writing a Query
        • Identifying HII Regions
    • Extras
      • Using the Radial Search Tool
      • Using the SQL Search Tool
      • Example 1
      • Did You Know? Light from Stars
      • Did You Know? SDSS Filters
      • Example 2
      • Did You Know? History of the Magnitude Scale
      • Did You Know? Temperature and Peak Wavelength
      • Try This! The Definition of Color in Astronomy
      • Try This! The Visible Spectrum
      • Scavenger Hunt List
      • Spectra of Seven Stars
      • Calculating the Radius of a Star
      • Getting Started with Navigate
  • Videos
  • Wide Field Constellation Collection
  • Overview
  • Background
  • Lesson Plan
  • Teaching Tips
  • Assessment
  • Standards
  • List of objects
  • Teacher Guides: Basic
  • Teacher Guides: Advanced
  • Teacher Guides: Research Challenges
  • Teacher Guides: For Kids
  • Asteroids Teacher Notes
  • Scavenger Hunt Teacher Notes
  • Old Time Astronomy Teacher Notes
  • Types of Stars Teacher Notes
  • Galaxies Teacher Notes
  • Color Teacher Notes
  • Guide to Specific Sections
  • Correlations
  • HII Regions Teacher Notes
  • Overview
  • Background
  • Lesson Plan
  • Assessment
  • Standards
  • Overview
  • Background
  • Lesson Plan
  • Teaching Tips
  • Assessment
  • Standards
  • SDSS Scavenger Hunt Teacher Notes
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Standards
  • Teacher's Guide to Specific Sections
  • Standards
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Correlations
  • Teacher's Guide to Specific Sections
  • Correlations
  • Spectral Types Teacher Notes
  • Sky Surveys Teacher Notes
  • Galaxy Properties Teacher Notes
  • Hubble Diagram Teacher Notes
  • Quasars Teacher Notes
  • The Universe Teacher Notes
  • H-R Diagram Teacher Notes
  • Home
  • Expeditions
  • Expedition to Galaxies

Expedition to Galaxies

Galaxy Color

Sky Surveys

Galaxy Properties

Whose Spectrum Is It? / ¿De quién es el espectro?

Is the Galaxy… Spiral or Elliptical? / La galaxia es… ¿espiral o elíptica?

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