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The Search for Dark Matter in Dwarf Spheroidal Galaxies

This quiz is designed to test your knowledge about the search for dark matter in dwarf spheroidal galaxies.

13 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the primary method used to detect dark matter in dwarf spheroidal galaxies?

  1. Gravitational Lensing
  2. X-ray Observations
  3. Radio Observations
  4. Weak Gravitational Lensing
Question 2 Multiple Choice (Single Answer)

What is the expected distribution of dark matter in dwarf spheroidal galaxies?

  1. Uniformly Distributed
  2. Concentrated in the Center
  3. Extended Halo
  4. Irregular Distribution
Question 3 Multiple Choice (Single Answer)

What is the relationship between the mass of a dwarf spheroidal galaxy and the mass of its dark matter halo?

  1. Directly Proportional
  2. Inversely Proportional
  3. No Correlation
  4. Weak Correlation
Question 4 Multiple Choice (Single Answer)

What is the primary challenge in detecting dark matter in dwarf spheroidal galaxies?

  1. Low Surface Brightness
  2. Contamination from Stellar Light
  3. Lack of Gas
  4. All of the Above
Question 5 Multiple Choice (Single Answer)

Which dwarf spheroidal galaxy is the closest to the Milky Way?

  1. Sagittarius Dwarf Spheroidal Galaxy
  2. Fornax Dwarf Spheroidal Galaxy
  3. Sculptor Dwarf Spheroidal Galaxy
  4. Draco Dwarf Spheroidal Galaxy
Question 6 Multiple Choice (Single Answer)

What is the typical mass range of dwarf spheroidal galaxies?

  1. 10^5 - 10^6 Solar Masses
  2. 10^7 - 10^8 Solar Masses
  3. 10^9 - 10^10 Solar Masses
  4. 10^11 - 10^12 Solar Masses
Question 7 Multiple Choice (Single Answer)

What is the typical size range of dwarf spheroidal galaxies?

  1. 100 - 1000 Light Years
  2. 1000 - 10000 Light Years
  3. 10000 - 100000 Light Years
  4. 100000 - 1000000 Light Years
Question 8 Multiple Choice (Single Answer)

What is the typical luminosity range of dwarf spheroidal galaxies?

  1. 10^3 - 10^4 Solar Luminosities
  2. 10^4 - 10^5 Solar Luminosities
  3. 10^5 - 10^6 Solar Luminosities
  4. 10^6 - 10^7 Solar Luminosities
Question 9 Multiple Choice (Single Answer)

What is the typical metallicity range of dwarf spheroidal galaxies?

  1. 1/100 Solar
  2. 1/10 Solar
  3. 1/2 Solar
  4. Solar
Question 10 Multiple Choice (Single Answer)

What is the typical star formation rate of dwarf spheroidal galaxies?

  1. 0.01 Solar Masses per Year
  2. 0.1 Solar Masses per Year
  3. 1 Solar Mass per Year
  4. 10 Solar Masses per Year
Question 11 Multiple Choice (Single Answer)

What is the typical dark matter content of dwarf spheroidal galaxies?

  1. 20%
  2. 50%
  3. 80%
  4. 95%
Question 12 Multiple Choice (Single Answer)

What is the primary type of dark matter candidate that is thought to exist in dwarf spheroidal galaxies?

  1. Cold Dark Matter
  2. Warm Dark Matter
  3. Hot Dark Matter
  4. Self-Interacting Dark Matter
Question 13 Multiple Choice (Single Answer)

What is the expected density profile of dark matter in dwarf spheroidal galaxies?

  1. Cusp
  2. Core
  3. Isothermal
  4. Exponential
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