Ancient Observatories — MCQs August 20, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. Which ancient civilization built the observatory at Chichén Itzá, known as “El Caracol”? (A) Egyptians (B) Mayans (C) Greeks (D) Chinese 2. The ancient observatory at Jantar Mantar is located in which country? (A) China (B) Egypt (C) India (D) Greece 3. Stonehenge in England is believed to have been used partly as: (A) A temple only (B) A burial ground only (C) An astronomical calendar (D) A navigation tool 4. The Ulugh Beg Observatory, one of the greatest in the medieval world, was built in: (A) Turkey (B) Uzbekistan (C) Persia (D) Egypt 5. Which ancient civilization aligned their pyramids with stars in Orion’s Belt? (A) Greeks (B) Egyptians (C) Mayans (D) Babylonians 6. The Mayan observatories were primarily used for studying: (A) Lunar phases (B) Solar eclipses and Venus cycles (C) Ocean tides (D) Earthquakes 7. The ancient Greek astronomer who established an early observatory in Alexandria was: (A) Hipparchus (B) Eratosthenes (C) Ptolemy (D) Thales 8. Which Indian king built several Jantar Mantar observatories in the 18th century? (A) Akbar (B) Ashoka (C) Maharaja Jai Singh II (D) Chandragupta 9. Which feature of Stonehenge aligns with the midsummer sunrise? (A) Inner circle (B) Heel stone (C) Blue stones (D) Outer ditch 10. The Babylonian civilization contributed to early observatories by: (A) Developing telescope lenses (B) Recording planetary motions on clay tablets (C) Using mirrors for starlight (D) Building glass domes 11. The “El Caracol” observatory is located in which modern-day country? (A) Mexico (B) Peru (C) Brazil (D) Chile 12. Which ancient civilization constructed the oldest known observatories at Nabta Playa? (A) Babylonians (B) Egyptians (C) Chinese (D) Greeks 13. The ancient Chinese observatories were mainly built to track: (A) Venus (B) Comets and eclipses (C) Mars (D) Saturn 14. The Ulugh Beg Observatory was famous for its giant: (A) Solar dial (B) Sextant (C) Telescope (D) Armillary sphere 15. Machu Picchu has structures aligned with: (A) The Moon only (B) The Milky Way (C) Solar solstices (D) Ocean tides 16. The Jantar Mantar observatory in Jaipur includes instruments for: (A) Tracking stars (B) Measuring planetary positions (C) Calculating eclipses (D) All of the above 17. Which Greek philosopher used a simple observatory to measure solstices and equinoxes? (A) Socrates (B) Plato (C) Anaximander (D) Aristotle 18. The Mayan calendar was based on observations from: (A) Telescopes (B) Sundials (C) Observatories and temples (D) Glass lenses 19. The Goseck Circle in Germany is considered Europe’s oldest: (A) Burial ground (B) Solar observatory (C) Library (D) Temple 20. Which ancient culture recorded Halley’s Comet observations? (A) Chinese (B) Egyptians (C) Greeks (D) Mayans 21. The purpose of the Ulugh Beg Observatory’s sextant was to measure: (A) Time (B) Altitude of stars (C) Planetary speeds (D) Moon’s surface 22. The Jantar Mantar instruments are mostly made of: (A) Wood (B) Brick and stone (C) Bronze (D) Marble 23. The Mayans aligned many observatories with the motion of which planet? (A) Jupiter (B) Venus (C) Saturn (D) Mars 24. The Egyptian temple at Karnak is aligned with the: (A) Winter solstice sunrise (B) Summer solstice sunrise (C) Lunar eclipse (D) Equinox 25. The Chinese built the ancient observatory at Dengfeng during which dynasty? (A) Han (B) Tang (C) Yuan (D) Ming 26. The earliest purpose of ancient observatories was: (A) Astrological fortune telling (B) Agricultural calendars and rituals (C) Navigation (D) Scientific research 27. The Ulugh Beg Observatory produced accurate star catalogs with: (A) 200 stars (B) 1,000 stars (C) 10,000 stars (D) 30,000 stars 28. Which civilization used “ziggurats” partly as observatories? (A) Greeks (B) Mesopotamians (C) Egyptians (D) Persians 29. Stonehenge is located in which part of England? (A) North (B) East (C) South (D) West 30. The Mayans created a highly accurate calendar system based on: (A) Solar year and Venus cycle (B) Only lunar cycles (C) Comet appearances (D) Tidal changes 31. The Great Pyramid’s shafts are believed to align with: (A) Sirius and Orion (B) Venus and Mars (C) Moon and Jupiter (D) Polaris and Andromeda 32. Jantar Mantar’s Samrat Yantra is essentially a: (A) Telescope (B) Sundial (C) Sextant (D) Armillary sphere 33. Which ancient civilization used cave markings as lunar calendars? (A) Mayans (B) Babylonians (C) Paleolithic Europeans (D) Chinese 34. The Nebra Sky Disk, found in Germany, represents: (A) A star map (B) A sun calendar (C) A lunar calendar (D) A planetary orbit chart 35. The Mayan observatory at Uxmal was dedicated to: (A) Jupiter (B) Venus (C) Moon (D) Mars 36. The Jantar Mantar observatories were constructed in how many Indian cities? (A) 2 (B) 3 (C) 4 (D) 5 37. The alignment of Newgrange in Ireland is associated with: (A) Summer solstice sunrise (B) Winter solstice sunrise (C) Lunar eclipse (D) Equinox 38. Which civilization first recorded solar eclipses systematically? (A) Greeks (B) Babylonians (C) Egyptians (D) Romans 39. The Ulugh Beg Observatory was built in which century? (A) 10th (B) 12th (C) 15th (D) 18th 40. The primary material used in Stonehenge construction was: (A) Marble (B) Limestone (C) Bluestone and sandstone (D) Granite 41. The Chinese observatory at Gaocheng was mainly for: (A) Star cataloging (B) Solar measurements (C) Lunar mapping (D) Eclipse tracking 42. The Mayans used “E-groups” in their cities for: (A) Military defense (B) Solar observations (C) Marketplaces (D) Rainwater collection 43. The function of the ancient armillary sphere was to: (A) Predict weather (B) Demonstrate celestial motions (C) Measure ocean currents (D) Record earthquakes 44. The ancient Nabta Playa observatory is located in: (A) Egypt (B) Sudan (C) Iraq (D) Turkey 45. The Jantar Mantar in Jaipur contains the world’s largest: (A) Telescope (B) Sundial (C) Sextant (D) Observatory dome 46. The Ulugh Beg Observatory produced calculations of the solar year accurate to: (A) 1 hour (B) 5 minutes (C) 1 minute (D) 25 seconds 47. Ancient Greek observatories often used: (A) Telescopes (B) Sundials and gnomons (C) Mirrors (D) Stone lenses 48. The “Temple of the Sun” at Machu Picchu was aligned with: (A) Summer solstice sunrise (B) Winter solstice sunrise (C) Equinox sunset (D) Lunar eclipse 49. The Mayans believed astronomical observations were linked to: (A) Trade (B) Warfare (C) Religious rituals and agriculture (D) Navigation 50. Ancient observatories were primarily built without: (A) Instruments (B) Telescopes (C) Celestial alignment (D) Ritual purpose