Space Telescopes — MCQs August 20, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. Which was the first major space telescope launched by NASA in 1990? (A) Spitzer Space Telescope (B) James Webb Space Telescope (C) Hubble Space Telescope (D) Kepler Space Telescope 2. The James Webb Space Telescope observes primarily in which wavelength? (A) Radio (B) Infrared (C) Ultraviolet (D) Gamma rays 3. Which space telescope was designed to detect exoplanets by transit method? (A) Spitzer (B) Hubble (C) Kepler (D) Chandra 4. Which space telescope specializes in X-ray astronomy? (A) Hubble (B) Spitzer (C) Chandra (D) Kepler 5. The Spitzer Space Telescope was launched in which year? (A) 2000 (B) 2003 (C) 2006 (D) 2010 6. The Hubble Space Telescope is a collaboration between NASA and: (A) ISRO (B) ESA (C) JAXA (D) Roscosmos 7. Which space telescope succeeded the Infrared Astronomical Satellite (IRAS)? (A) Chandra (B) Herschel (C) Kepler (D) Gaia 8. The Gaia Space Observatory is designed to study: (A) Exoplanets (B) Cosmic microwave background (C) Stellar positions and motions (D) Gamma rays 9. Which space telescope has provided the deepest images of the universe? (A) Kepler (B) Spitzer (C) Hubble (D) Chandra 10. Which space telescope mapped the cosmic microwave background? (A) WMAP (B) Hubble (C) Spitzer (D) Chandra 11. The successor of WMAP for CMB observations was: (A) Kepler (B) Planck (C) Gaia (D) Herschel 12. Which space telescope was retired in 2020 after its gyroscope failed? (A) Chandra (B) Spitzer (C) Kepler (D) Herschel 13. The Chandra X-ray Observatory was launched in which year? (A) 1995 (B) 1999 (C) 2003 (D) 2012 14. Which telescope is often called the “successor to Hubble”? (A) Kepler (B) JWST (C) Gaia (D) Spitzer 15. Which space telescope studied gamma-ray bursts? (A) Kepler (B) Fermi (C) Gaia (D) Herschel 16. The Herschel Space Observatory operated in which spectrum? (A) Infrared and submillimeter (B) X-rays (C) Gamma rays (D) Visible 17. The Kepler mission was primarily dedicated to finding: (A) Stars (B) Exoplanets (C) Galaxies (D) Black holes 18. Which space telescope observed the Sun in detail? (A) SOHO (B) Chandra (C) Spitzer (D) Kepler 19. The Hubble Space Telescope orbits at approximately: (A) 250 km (B) 400 km (C) 550 km (D) 1000 km 20. The JWST was launched in which year? (A) 2018 (B) 2020 (C) 2021 (D) 2022 21. The largest space telescope mirror belongs to: (A) Hubble (B) JWST (C) Herschel (D) Gaia 22. Which telescope was placed at the L2 Lagrange point? (A) Hubble (B) JWST (C) Spitzer (D) Chandra 23. Which space telescope contributed to the discovery of dark energy? (A) Kepler (B) Hubble (C) Spitzer (D) Chandra 24. The WISE telescope was dedicated to: (A) Gamma rays (B) Infrared sky survey (C) X-rays (D) Ultraviolet 25. The Fermi Space Telescope is specialized in: (A) Gamma-ray astronomy (B) Infrared astronomy (C) X-ray astronomy (D) Radio astronomy 26. Which telescope mapped over a billion stars? (A) Hubble (B) Gaia (C) Spitzer (D) Herschel 27. Which space telescope was launched in 2009 to replace Hipparcos? (A) Hubble (B) Gaia (C) Kepler (D) WMAP 28. Which instrument on Hubble studies ultraviolet light? (A) ACS (B) STIS (C) NICMOS (D) COS 29. The TESS mission is focused on detecting: (A) Galaxies (B) Stars (C) Exoplanets (D) Pulsars 30. The primary mirror of Hubble is: (A) 1.8 meters (B) 2.4 meters (C) 4.5 meters (D) 6.5 meters 31. The primary mirror of JWST is: (A) 2.4 meters (B) 4 meters (C) 6.5 meters (D) 8.2 meters 32. Which telescope discovered thousands of exoplanet candidates? (A) Spitzer (B) Kepler (C) Hubble (D) Fermi 33. The International Ultraviolet Explorer (IUE) operated for how many years? (A) 5 (B) 10 (C) 18 (D) 30 34. The Hipparcos mission was dedicated to: (A) Astrometry (B) Gamma rays (C) Infrared sky survey (D) X-rays 35. Which telescope observed gravitational lensing in detail? (A) Kepler (B) Hubble (C) Spitzer (D) Gaia 36. Which space telescope produced the Hubble Deep Field images? (A) Kepler (B) Gaia (C) Hubble (D) Spitzer 37. Which telescope provided insights into black hole X-ray emissions? (A) Chandra (B) Hubble (C) Spitzer (D) Gaia 38. The Compton Gamma Ray Observatory was launched in which year? (A) 1989 (B) 1991 (C) 1993 (D) 1995 39. Which telescope discovered dark matter distribution using weak lensing? (A) Kepler (B) Hubble (C) Gaia (D) Spitzer 40. Which mission was the first all-sky infrared survey from space? (A) IRAS (B) WISE (C) Herschel (D) Spitzer 41. Which telescope was used to observe pulsars in X-rays? (A) Kepler (B) Chandra (C) Hubble (D) Fermi 42. The Hubble’s first major flaw was in its: (A) Sensors (B) Mirror shape (C) Orbit (D) Software 43. The flaw in Hubble’s mirror was corrected in: (A) 1991 (B) 1993 (C) 1995 (D) 1997 44. The Ultraviolet space telescope launched by NASA in 1978 was: (A) EUVE (B) IUE (C) GALEX (D) COS 45. Which telescope is designed to study reionization and early galaxies? (A) JWST (B) Kepler (C) Gaia (D) Hubble 46. The GALEX mission specialized in: (A) X-rays (B) Ultraviolet light (C) Infrared (D) Radio waves 47. The TESS telescope was launched in which year? (A) 2016 (B) 2017 (C) 2018 (D) 2019 48. Which telescope observed cosmic reionization signatures? (A) Hubble (B) Kepler (C) JWST (D) Spitzer 49. Which space telescope operates with liquid helium cooling? (A) Spitzer (initially) (B) Chandra (C) Kepler (D) Gaia 50. The future Roman Space Telescope will focus on: (A) X-rays (B) Infrared and dark energy studies (C) Radio astronomy (D) Solar physics