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. What is the primary source of energy generation in the core of the Milky Way galaxy? a) Nuclear fusion b) Gravitational contraction c) Dark matter annihilation d) Black hole accretion 2 / 30 2. What are globular clusters in the context of the Milky Way? a) Regions of active star formation b) Groups of galaxies bound by gravity c) Spherical clusters of stars orbiting the Milky Way's core d) Dark matter halos surrounding dwarf galaxies 3 / 30 3. What happens to the stars during a galactic collision? a) Stars are destroyed in the collision b) Stars are flung out of the galaxies into intergalactic space c) Stars are gravitationally disrupted and redistributed within the merging galaxies d) Stars undergo nuclear fusion reactions, creating new elements 4 / 30 4. 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 5 / 30 5. What are the spiral arms of the Milky Way galaxy primarily composed of? a) Dark matter b) Neutron stars c) Interstellar gas and dust d) Planetary nebulae 6 / 30 6. What is the size of the event horizon of Sagittarius A*? a) 1 astronomical unit b) 10 astronomical units c) 100 astronomical units d) 1,000 astronomical units 7 / 30 7. What is the significance of the monolithic collapse theory in galaxy evolution? a) It explains the observed morphologies of galaxies in the universe b) It provides insights into the distribution of dark matter within galaxies c) It highlights the importance of interactions between galaxies in shaping their properties d) It offers a simplified model for understanding the early stages of galaxy formation 8 / 30 8. What is the name of the satellite galaxies orbiting the Milky Way? a) Magellanic Clouds b) Orion Nebula c) Pleiades Cluster d) Triangulum Galaxy 9 / 30 9. What is the halo of the Milky Way galaxy primarily composed of? a) Dark matter b) Stars and gas c) Interstellar dust d) Ionized plasma 10 / 30 10. 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 11 / 30 11. What is a galactic collision? a) A collision between two galaxies b) A collision between stars within a galaxy c) A collision between a galaxy and a supermassive black hole d) A collision between a galaxy and a planetary system 12 / 30 12. What is the name of the group of galaxies that includes the Milky Way? a) Local Group b) Virgo Supercluster c) Hydra-Centaurus Supercluster d) Pisces-Cetus Supercluster 13 / 30 13. What role do giant molecular clouds play in star formation? a) They provide the raw materials (gas and dust) from which stars form b) They emit intense radiation that triggers nuclear fusion reactions in nearby stars c) They repel nearby stars, preventing them from forming d) They cause existing stars to undergo gravitational collapse and form new stars 14 / 30 14. What is a galactic disk in the context of the Milky Way? a) A region of the galaxy with a high concentration of dark matter b) A flattened region containing most of the Milky Way's stars and gas c) The area surrounding the supermassive black hole at the center of the galaxy d) A type of spiral arm structure found in some galaxies 15 / 30 15. What gives emission nebulae their characteristic colors? a) Reflection of starlight b) Absorption of starlight c) Ionization of hydrogen gas d) Presence of dark matter 16 / 30 16. What is the approximate diameter of the Milky Way galaxy? a) 10,000 light-years b) 100,000 light-years c) 1 million light-years d) 10 million light-years 17 / 30 17. What role does the Milky Way play in the context of the cosmic web? a) The Milky Way connects different regions of the cosmic web, serving as a bridge between galaxies. b) The Milky Way emits radiation that illuminates the cosmic web, revealing its structure. c) The Milky Way is located at the center of the cosmic web, exerting gravitational influence on surrounding galaxies. d) The Milky Way is isolated from the cosmic web, with minimal interaction with other galaxies. 18 / 30 18. 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 19 / 30 19. What is located at the center of our Milky Way galaxy? a) A massive star cluster b) A supermassive black hole known as Sagittarius A* c) A quasar emitting powerful jets of radiation d) A protostellar nebula undergoing rapid star formation 20 / 30 20. What phenomenon causes the Milky Way's spiral arms to appear? a) Gravitational lensing b) Stellar oscillation c) Differential rotation d) Galactic accretion 21 / 30 21. What is a reflection nebula? a) A nebula that emits its own light due to ionization by hot stars b) A nebula that reflects light from nearby stars c) A nebula composed mainly of dark matter d) A nebula formed by the collision of galaxies 22 / 30 22. Which of the following is NOT a component of the Milky Way galaxy? a) Dark matter halo b) Central bulge c) Oort Cloud d) Spiral arms 23 / 30 23. What is the significance of studying Sagittarius A*? a) It provides insights into the formation and evolution of supermassive black holes b) It helps astronomers detect and study exoplanets in nearby star systems c) It offers clues about the formation of planetary systems within the Milky Way d) It reveals the processes responsible for the formation of galactic spiral arms 24 / 30 24. Which of the following is a member of the Local Group but not a satellite of the Milky Way or Andromeda? a) Triangulum Galaxy b) Large Magellanic Cloud c) Small Magellanic Cloud d) Messier 87 25 / 30 25. What are some proposed methods for human colonization of other planets or moons? a) Terraforming, space habitats, and genetic modification b) Nuclear propulsion, warp drives, and teleportation c) Giant space colonies, artificial gravity, and atmospheric domes d) Sending robotic probes, building space elevators, and using ion propulsion 26 / 30 26. What are stellar nurseries? a) Regions of mature stars where no new star formation occurs b) Observatories dedicated to studying the birth of stars c) High-energy environments where stars undergo nuclear fusion reactions d) Dense regions within giant molecular clouds where new stars are born 27 / 30 27. What is the primary characteristic of dark nebulae? a) They emit their own light b) They reflect light from nearby stars c) They are rich in ionized gas d) They appear as dark patches against the background sky 28 / 30 28. What is the significance of Population II stars in understanding the early universe? a) They are remnants of the first stars formed after the Big Bang b) They provide insights into the process of nucleosynthesis in early galaxies c) They reveal the presence of dark matter in the galactic halo d) They offer clues about the formation and evolution of galaxy clusters 29 / 30 29. What prevents a white dwarf from collapsing further under its own gravity? a) Electron degeneracy pressure b) Nuclear fusion reactions c) Gravitational lensing d) Stellar winds 30 / 30 30. What are the two primary components of the Galactic Coordinate System? a) Right ascension and declination b) Galactic longitude and latitude c) Altitude and azimuth d) Celestial equator and ecliptic plane 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 Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
