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 types of phenomena in the Milky Way are studied using radio observations? a) Star formation regions, supernova remnants, and pulsars b) Planetary nebulae, white dwarf stars, and black holes c) Open star clusters, globular clusters, and binary star systems d) Spiral arms, galactic center, and dark matter distribution 2 / 30 2. What is the name of the process through which the Milky Way acquires new stars? a) Stellar accretion b) Star formation c) Galactic cannibalism d) Supernova explosion 3 / 30 3. How are the Andromeda and Triangulum galaxies related to the Milky Way? a) They are satellite galaxies of the Milky Way b) They are the parent galaxies of the Milky Way c) They are siblings of the Milky Way d) They are unrelated to the Milky Way 4 / 30 4. What role does Sagittarius A* play in shaping the Milky Way galaxy? a) It drives the rotation of the Milky Way's spiral arms b) It regulates the rate of star formation in the galaxy c) It anchors the central bulge of the Milky Way and influences the orbits of nearby stars d) It emits powerful jets of radiation that shape the galaxy's morphology 5 / 30 5. 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 6 / 30 6. What are some ethical considerations regarding human colonization of space? a) Preservation of extraterrestrial environments, prevention of contamination, and respect for indigenous life b) Exploitation of resources, geopolitical dominance, and cultural imperialism c) Inequality of access to space, violation of international law, and militarization of space d) Genetic engineering of humans, manipulation of ecosystems, and surveillance of populations 7 / 30 7. What advantage do radio observations offer for studying the Milky Way? a) Radio waves penetrate interstellar dust more effectively than visible light b) Radio telescopes have higher resolution than optical telescopes c) Radio emissions provide more detailed information about the temperature of stars d) Radio observations are less affected by Earth's atmosphere than visible light observations 8 / 30 8. What are giant molecular clouds (GMCs)? a) Regions of intense star formation within galaxies b) Massive clouds of interstellar gas and dust primarily composed of molecular hydrogen c) Concentrations of dark matter surrounding galaxies d) Protostellar nebulae in the early stages of star formation 9 / 30 9. What is the fate of a main sequence star like the Sun when it exhausts its core hydrogen fuel? a) It becomes a red giant b) It collapses into a neutron star c) It explodes in a supernova d) It forms a planetary nebula 10 / 30 10. What is the primary source of illumination for reflection nebulae? a) Ionizing radiation from hot stars b) Infrared radiation from protostars c) Ultraviolet radiation from quasars d) Visible light from nearby stars 11 / 30 11. 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 12 / 30 12. What is the significance of studying the orbital motion of stars within the Milky Way? a) It provides insights into the formation and evolution of galaxies b) It helps astronomers identify the presence of exoplanets orbiting distant stars c) It allows for the measurement of the Milky Way's mass distribution and the presence of dark matter d) It reveals the processes responsible for the formation of star clusters 13 / 30 13. What is the main distinguishing characteristic between Population I and Population II stars? a) Age b) Metallicity c) Luminosity d) Mass 14 / 30 14. What is the approximate orbital period of the Sun around the galactic center? a) 10 million years b) 100 million years c) 1 billion years d) 10 billion years 15 / 30 15. What is the ultimate fate of galaxies involved in a galactic collision? a) They are completely destroyed, leaving behind only supermassive black holes b) They merge together to form larger, more massive galaxies c) They are ejected from galaxy clusters into intergalactic space d) They undergo rapid expansion, leading to the formation of new galaxies 16 / 30 16. 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 17 / 30 17. What is the connection between the Milky Way and dark matter? a) Dark matter is composed of stars and gas within the Milky Way. b) The Milky Way is surrounded by a halo of dark matter, which influences its gravitational dynamics. c) Dark matter is responsible for the formation of the Milky Way's spiral arms. d) The Milky Way emits dark matter particles into space. 18 / 30 18. Which component of the Milky Way galaxy contains a supermassive black hole at its center? a) Halo b) Bulge c) Disk d) Spiral arms 19 / 30 19. What is the approximate size of the Local Group? a) 1 million light-years b) 5 million light-years c) 10 million light-years d) 50 million light-years 20 / 30 20. Which of the following methods is used to map the spiral structure of the Milky Way? a) Radio astronomy b) Optical astronomy c) X-ray astronomy d) Infrared astronomy 21 / 30 21. 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 22 / 30 22. What happens to the gas and dust during a galactic collision? a) Gas and dust are completely consumed by nuclear fusion reactions b) Gas and dust are ejected into intergalactic space, leaving galaxies devoid of star-forming material c) Gas and dust are compressed and triggered to undergo rapid star formation d) Gas and dust are gravitationally disrupted and can trigger intense star formation and the formation of new stellar populations 23 / 30 23. What observational technique is commonly used to study the Galactic Bulge? a) Radio astronomy b) Optical astronomy c) X-ray astronomy d) Infrared astronomy 24 / 30 24. Which type of stars are more commonly associated with open clusters in the Milky Way? a) Population I stars b) Population II stars c) Population III stars d) Variable stars 25 / 30 25. What is the Galactic Halo in the Milky Way galaxy? a) A region of intense star formation b) The outer disk of the Milky Way c) A spherical region surrounding the central bulge d) The region containing the youngest stars in the galaxy 26 / 30 26. 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 27 / 30 27. What role does Sagittarius A* play in the evolution of the Milky Way galaxy? a) It drives galactic winds that regulate star formation b) It triggers episodes of rapid star formation c) It stabilizes the galactic disk against gravitational instabilities d) It is responsible for the expansion of the galactic halo 28 / 30 28. What are visual observations of the Milky Way? a) Observations made using telescopes sensitive to visible light b) Observations made using radio telescopes to detect radio emissions c) Observations made using infrared telescopes to penetrate interstellar dust d) Observations made using ultraviolet telescopes to study hot, young stars 29 / 30 29. What is the approximate number of major spiral arms in the Milky Way? a) 2 b) 4 c) 6 d) 8 30 / 30 30. 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 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. 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