Home» Online Test » Astronomy » Milky Way Galaxy Online Test 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This 'Milky Way Galaxy Online Test' covers questions across all the topics related to the Galaxies. Get New Questions in Each Attempt Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 30 1. Which of the following regions is associated with the Perseus Arm of the Milky Way? a) The location of the Milky Way's central bulge b) The site of the galactic center c) The direction of the galactic anti-center d) The outer edge of the galactic disk 2 / 30 2. Which type of stars are the most common in the Milky Way galaxy? a) Red giants b) White dwarfs c) Main sequence stars d) Neutron stars 3 / 30 3. What is the significance of studying globular clusters? a) They provide insights into the process of planet formation b) They contain young, massive stars suitable for studying stellar evolution c) They offer clues about the formation and early evolution of galaxies d) They serve as indicators of the current rate of star formation in the Milky Way 4 / 30 4. What is the significance of the Milky Way's central bulge? a) It contains the galaxy's youngest stars b) It hosts the largest concentration of black holes in the galaxy c) It is the region of highest gravitational pull in the galaxy d) It houses a supermassive black hole at its center 5 / 30 5. What is the name of the object orbiting Sagittarius A* that provided evidence of its massive nature? a) Hubble Space Telescope b) Spitzer Space Telescope c) Chandra X-ray Observatory d) Event Horizon Telescope 6 / 30 6. What is the primary source of heavy elements in Population I stars? a) Primordial nucleosynthesis b) Supernova explosions of Population II stars c) Accretion from interstellar gas clouds d) Fusion reactions in the stellar cores 7 / 30 7. What is the primary distinguishing feature of the Galactic Bulge? a) It contains predominantly young stars b) It is composed mainly of spiral arms c) It has a flattened, disk-like shape d) It contains a dense concentration of old stars and a supermassive black hole 8 / 30 8. What is the approximate distance from Earth to the center of the Milky Way galaxy? a) 1,000 light-years b) 10,000 light-years c) 100,000 light-years d) 1 million light-years 9 / 30 9. What is the Andromeda Galaxy (M31)? a) A spiral galaxy located in the constellation Andromeda, about 2.5 million light-years from Earth b) A dwarf galaxy orbiting the Milky Way c) A globular cluster within the Milky Way galaxy d) A satellite galaxy of the Triangulum Galaxy (M33) 10 / 30 10. Where is the Milky Way galaxy located in the observable universe? a) Near the center of the universe b) On the edge of the universe c) Within a galactic cluster d) Its exact location is not precisely defined 11 / 30 11. What are protogalactic fragments in the context of hierarchical galaxy formation? a) Massive clouds of gas and dust that collapse directly into galaxies b) Early galaxies that later merge to form larger structures c) Fragments of dark matter halos that coalesce to form galaxy clusters d) Substructures within galaxy clusters that eventually form individual galaxies 12 / 30 12. Which of the following is NOT a characteristic of spiral arms in galaxies? a) They are static and unchanging over time b) They exhibit regions of enhanced star formation c) They contain concentrations of interstellar gas and dust d) They are sites of gravitational interactions between stars 13 / 30 13. What is the age range of stars in globular clusters? a) Few million years b) Few billion years c) Few trillion years d) Few hundred thousand years 14 / 30 14. What is the name of the satellite galaxy closest to the Milky Way? a) Andromeda b) Large Magellanic Cloud c) Small Magellanic Cloud d) Triangulum 15 / 30 15. What is the approximate diameter of the Milky Way galaxy? a) 10,000 light-years b) 50,000 light-years c) 100,000 light-years d) 200,000 light-years 16 / 30 16. What is the final evolutionary stage of low to medium-mass stars like the Sun? a) Red giant b) Main sequence c) White dwarf d) Neutron star 17 / 30 17. What is the Galactic Rotation Curve? a) A graphical representation of the Milky Way's orbit around the Sun b) A curve showing the distribution of stars and gas in the Milky Way's spiral arms c) A plot of the rotational velocity of stars and gas as a function of their distance from the galactic center d) A model describing the motion of galaxies in clusters under the influence of gravity 18 / 30 18. What are protostars? a) Mature stars nearing the end of their life cycle b) Stars undergoing nuclear fusion reactions in their cores c) Young stellar objects in the early stages of star formation, before nuclear fusion ignition d) Low-mass stars that have exhausted their nuclear fuel 19 / 30 19. What role do spiral arms play in the evolution of galaxies? a) They inhibit star formation b) They facilitate the formation of black holes c) They trigger star formation through density waves d) They accelerate the expansion of the galactic halo 20 / 30 20. What is the Galactic Coordinate System? a) A system of coordinates used to locate objects within the Milky Way galaxy b) A system of coordinates used to map the positions of stars in the universe c) A system of coordinates based on the celestial equator and the ecliptic plane d) A system of coordinates used exclusively for radio astronomy observations 21 / 30 21. What is the mass of the supermassive black hole Sagittarius A*? a) A few thousand solar masses b) A few million solar masses c) A few billion solar masses d) A few trillion solar masses 22 / 30 22. What is the role of the Milky Way in cosmic evolution? a) The Milky Way acts as a hub for the formation of new galaxies. b) The Milky Way emits radiation that influences the evolution of other galaxies. c) The Milky Way provides a template for the formation and evolution of galaxies in the universe. d) The Milky Way prevents the formation of stars and galaxies in its vicinity. 23 / 30 23. Which type of stars are the remnants of supernova explosions? a) Main sequence stars b) Red giants c) White dwarfs d) Neutron stars 24 / 30 24. What is the estimated distance between the Milky Way and the Andromeda Galaxy? a) 100,000 light-years b) 1 million light-years c) 2.5 million light-years d) 5 million light-years 25 / 30 25. How does dark energy relate to the expansion of the universe and the Milky Way's motion? a) Dark energy accelerates the expansion of the universe and influences the Milky Way's motion within it. b) Dark energy slows down the expansion of the universe and counteracts the Milky Way's gravitational pull. c) Dark energy causes the Milky Way to rotate faster around its center. d) Dark energy has no effect on the Milky Way's motion or the expansion of the universe. 26 / 30 26. Approximately how many galaxies are there in the Local Group? a) 10 b) 50 c) 100 d) 1,000 27 / 30 27. What are some challenges associated with visual observations of the Milky Way? a) Absorption of visible light by interstellar dust and gas b) Scattering of visible light by Earth's atmosphere c) Limited resolution and sensitivity of optical telescopes d) All of the above 28 / 30 28. How do the ages of population I and population II stars differ? a) Population I stars are older than population II stars b) Population I stars are younger than population II stars c) Population I and population II stars have similar ages d) The ages of population I and population II stars depend on their positions within the galaxy 29 / 30 29. What is the primary factor that determines the structure of the Milky Way galaxy? a) Dark matter distribution b) Magnetic field strength c) Galactic rotation speed d) Presence of extragalactic objects 30 / 30 30. How do astronomers determine the ages of stars in a galaxy? a) By analyzing their spectra to determine their chemical compositions b) By studying their positions in the galaxy and their motions c) By comparing their colors and brightness with theoretical models of stellar evolution d) By measuring their distances from Earth Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Milky Way Galaxy MCQ PDF for Offline Study Share the above MCQs: Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Reddit (Opens in new window) Reddit
