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Galaxy Surveys

This quiz covers various aspects of galaxy surveys, including their types, techniques, goals, and discoveries.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the primary goal of a galaxy survey?

  1. To map the distribution of galaxies in the universe
  2. To study the evolution of galaxies over time
  3. To identify new galaxies and classify them
  4. To measure the distance to galaxies and determine their redshift
Question 2 Multiple Choice (Single Answer)

Which type of galaxy survey involves observing a large number of galaxies over a wide area of the sky?

  1. Redshift survey
  2. Imaging survey
  3. Spectroscopic survey
  4. Photometric survey
Question 3 Multiple Choice (Single Answer)

What is the purpose of a spectroscopic survey in galaxy surveys?

  1. To measure the distance to galaxies
  2. To determine the chemical composition of galaxies
  3. To study the motion of galaxies
  4. To identify active galactic nuclei
Question 4 Multiple Choice (Single Answer)

Which galaxy survey is known for its detailed study of nearby galaxies?

  1. Sloan Digital Sky Survey (SDSS)
  2. Two Micron All-Sky Survey (2MASS)
  3. Galaxy Evolution Explorer (GALEX)
  4. Wide-field Infrared Survey Explorer (WISE)
Question 5 Multiple Choice (Single Answer)

What is the main scientific objective of the Dark Energy Survey (DES)?

  1. To study the properties of dark energy
  2. To search for new exoplanets
  3. To map the distribution of dark matter in the universe
  4. To identify gravitational waves from merging black holes
Question 6 Multiple Choice (Single Answer)

Which galaxy survey is designed to study the evolution of galaxies over cosmic time?

  1. Cosmic Evolution Survey (COSMOS)
  2. Great Observatories Origins Deep Survey (GOODS)
  3. Hubble Deep Field Survey (HDF)
  4. Galaxy And Mass Assembly (GAMA) Survey
Question 7 Multiple Choice (Single Answer)

What is the primary technique used in photometric surveys to measure the properties of galaxies?

  1. Spectroscopy
  2. Radio interferometry
  3. Photometry
  4. Astrometry
Question 8 Multiple Choice (Single Answer)

Which galaxy survey is known for its discovery of a large population of faint, low-surface-brightness galaxies?

  1. Sloan Digital Sky Survey (SDSS)
  2. Two Micron All-Sky Survey (2MASS)
  3. Galaxy Evolution Explorer (GALEX)
  4. Wide-field Infrared Survey Explorer (WISE)
Question 9 Multiple Choice (Single Answer)

What is the main scientific goal of the Baryon Oscillation Spectroscopic Survey (BOSS)?

  1. To measure the expansion rate of the universe
  2. To study the properties of dark matter
  3. To map the distribution of baryonic matter in the universe
  4. To search for new exoplanets
Question 10 Multiple Choice (Single Answer)

Which galaxy survey is known for its discovery of a population of ultra-diffuse galaxies?

  1. Sloan Digital Sky Survey (SDSS)
  2. Two Micron All-Sky Survey (2MASS)
  3. Galaxy Evolution Explorer (GALEX)
  4. Dragonfly Telephoto Array (DTA)
Question 11 Multiple Choice (Single Answer)

What is the main scientific objective of the Euclid mission?

  1. To study the properties of dark energy
  2. To search for new exoplanets
  3. To map the distribution of dark matter in the universe
  4. To measure the expansion rate of the universe
Question 12 Multiple Choice (Single Answer)

Which galaxy survey is known for its discovery of a population of compact elliptical galaxies?

  1. Sloan Digital Sky Survey (SDSS)
  2. Two Micron All-Sky Survey (2MASS)
  3. Galaxy Evolution Explorer (GALEX)
  4. ATLAS3D Survey
Question 13 Multiple Choice (Single Answer)

What is the main scientific goal of the MaNGA survey?

  1. To study the properties of dark energy
  2. To search for new exoplanets
  3. To map the distribution of dark matter in the universe
  4. To measure the motion of galaxies
Question 14 Multiple Choice (Single Answer)

Which galaxy survey is known for its discovery of a population of green valley galaxies?

  1. Sloan Digital Sky Survey (SDSS)
  2. Two Micron All-Sky Survey (2MASS)
  3. Galaxy Evolution Explorer (GALEX)
  4. eBOSS Survey
Question 15 Multiple Choice (Single Answer)

What is the main scientific objective of the DESI survey?

  1. To study the properties of dark energy
  2. To search for new exoplanets
  3. To map the distribution of dark matter in the universe
  4. To measure the distance to galaxies
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