Here are 100 General Knowledge (GK) questions about the universe and space science (S&T):
Universe and Space Science - General Knowledge Questions
1. Who was the first person to walk on the Moon?
- Neil Armstrong
2. What is the largest planet in our solar system?
- Jupiter
3. Which planet is known as the "Red Planet"?
- Mars
4. What is the name of our galaxy?
- The Milky Way
5. Which is the closest star to Earth?
- The Sun
6. What is the phenomenon that occurs when a star collapses under its gravity, resulting in an extremely dense point in space?
- A Black Hole
7. What is the name of the first artificial satellite launched into space?
- Sputnik 1
8. What is the unit used to measure astronomical distances?
- Light-year
9. Who developed the theory of general relativity?
- Albert Einstein
10. What does the acronym "NASA" stand for?
- National Aeronautics and Space Administration
11. Which planet has the shortest day in the solar system?
- Jupiter
12. What is the name of the first human spaceflight?
- Vostok 1
13. What is the main component of the Sun?
- Hydrogen
14. Which planet is known for having the most moons?
- Jupiter
15. What is the term for a planet that orbits a star outside of our solar system?
- Exoplanet
16. What is the Hubble Space Telescope known for studying?
- Distant galaxies and the expansion of the universe
17. What is the name of the first human to journey into space?
- Yuri Gagarin
18. Which planet has the longest year in the solar system?
- Neptune
19. What type of galaxy is the Milky Way classified as?
- A spiral galaxy
20. What does the "Big Bang Theory" explain?
- The origin of the universe
21. What is the name of the first manned mission to land on the Moon?
- Apollo 11
22. Which planet is known for its beautiful rings?
- Saturn
23. What is the phenomenon that causes a total solar eclipse?
- The Moon passing directly between the Earth and the Sun
24. Who was the first woman in space?
- Valentina Tereshkova
25. What is the primary gas in Earth's atmosphere?
- Nitrogen
26. What is the name of the force that keeps planets in orbit around the Sun?
- Gravity
27. What is the largest volcano in the solar system?
- Olympus Mons (on Mars)
28. What is the name of the space probe that visited Pluto?
- New Horizons
29. What is the term for the boundary around a black hole beyond which nothing, not even light, can escape?
- Event Horizon
30. What is the name of the largest moon of Jupiter?
- Ganymede
31. Who discovered the laws of planetary motion?
- Johannes Kepler
32. What type of star is our Sun classified as?
- G-type main-sequence star
33. What is the name of the first spacecraft to reach interstellar space?
- Voyager 1
34. What is the name of the first planet discovered using a telescope?
- Uranus
35. Which space agency was responsible for launching the Mars rovers Spirit, Opportunity, and Curiosity?
- NASA
36. What is the name of the dark, cold region in space where stars are born?
- Nebula
37. What is the name of the force that keeps objects from flying off a planet’s surface into space?
- Gravity
38. What is the process by which stars produce energy?
- Nuclear Fusion
39. What does the acronym "ISS" stand for?
- International Space Station
40. Which planet has the highest surface temperature in the solar system?
- Venus
41. Which planet has the longest rotation period (day)?
- Venus
42. What is the term for the path followed by an object around another object in space?
- Orbit
43. Which is the second-largest planet in our solar system?
- Saturn
44. What is the name of the first artificial moon launched by the Soviet Union?
- Sputnik 1
45. What is the name of the first rover to land on Mars?
- Sojourner
46. Which planet is known for having the most extreme temperatures?
- Mercury
47. What are the "Van Allen Belts"?
- Radiation belts around Earth
48. Which space telescope was launched in 1990 and has greatly enhanced our understanding of space?
- Hubble Space Telescope
49. Who was the first person to travel into space aboard the Vostok 1 spacecraft?
- Yuri Gagarin
50. What is the largest moon of Saturn called?
- Titan
51. Which space station was launched in 1998 and is still operational?
- International Space Station (ISS)
52. What is the name of the galaxy closest to the Milky Way?
- The Andromeda Galaxy
53. What is the term for the visible part of the Sun's atmosphere?
- The Corona
54. What is the name of the most famous asteroid belt in our solar system?
- The Asteroid Belt between Mars and Jupiter
55. What is the most abundant element in the Sun?
- Hydrogen
56. What type of eclipse occurs when the Earth comes between the Sun and the Moon?
- Lunar Eclipse
57. What is the name of the space probe that explored the outer planets and their moons, including Jupiter and Saturn?
- Voyager 2
58. What was the first country to send a human into space?
- The Soviet Union
59. Which planet in our solar system is the hottest?
- Venus
60. What is the name of the bright band of stars that stretches across the night sky in the Milky Way galaxy?
- The Milky Way's Galactic Plane
61. What is the name of the telescope launched into space in 1990 that revolutionized our view of the universe?
- The Hubble Space Telescope
62. What is the term for the explosive death of a star at the end of its life cycle?
- Supernova
63. What does the term "astrobiology" refer to?
- The study of the potential for life beyond Earth
64. What is the name of the first successful landing on the Moon by a spacecraft?
- Luna 2
65. What phenomenon occurs when the Moon is at its closest point to Earth?
- Supermoon
66. Which planet has the Great Red Spot, a giant storm?
- Jupiter
67. What type of galaxy has a distinct "bulge" at its center and spiral arms?
- Spiral Galaxy
68. What was the name of the first space mission to successfully land on Mars?
- Viking 1
69. Which space agency landed the Perseverance rover on Mars in 2021?
- NASA
70. Which planet has a moon named "Titan" that has lakes of liquid methane?
- Saturn
71. What is the name of the rover currently exploring the surface of Mars, launched in 2020?
- Perseverance
72. What is the name of the largest and most active volcano in our solar system?
- Olympus Mons on Mars
73. Which space mission first provided detailed images of Pluto?
- New Horizons
74. What is the term for a large cloud of gas and dust in space, often where new stars are born?
- Nebula
75. What is the name of the closest star system to the Earth, after the Sun?
- Alpha Centauri
76. What does the term "light year" measure?
- Distance (the distance light travels in one year)
77. What is the term for the center of our solar system?
- The Sun
78. What is the name of the largest asteroid in our solar system?
- Ceres
79. What is the study of celestial bodies and the universe beyond Earth's atmosphere called?
- Astronomy
80. Which space mission successfully landed a probe on the comet 67P/Churyumov–Gerasimenko in 2014?
- Rosetta Mission
81. Which planet is the only one that rotates on its side?
- Uranus
82. What is the name of the red spot on Jupiter?
- The Great Red Spot
83. Which planet is the smallest in the solar system?
- Mercury
84. What is the term for a group of stars, gas, and dust bound together by gravity?
- Galaxy
85. What is the term for the "ring" around a planet formed by particles and debris?
- Planetary Ring
86. What is the name of the spacecraft that carried the first humans to the Moon?
- Apollo 11
87. What is the phenomenon where a planet's magnetic field interacts with charged particles from the Sun?
- Auroras
88. What is the term for a giant, explosive release of energy from a star?
- Solar flare
89. What is the main component of the gas giant planets (Jupiter, Saturn, Uranus, Neptune)?
- Hydrogen and Helium
90. What is the largest moon of Neptune?
- Triton
91. What is the name of the telescope placed at the Lagrange Point 2, beyond Earth's orbit?
- James Webb Space Telescope
92. Which type of star is in the final stage of its life, having used up its nuclear fuel?
- White dwarf
93.*What is the name of the spacecraft that is the farthest from Earth, launched by NASA in 1977?
- Voyager 1
94. What is the term for the line that divides the day and night on a planet?
- Terminator
95. Which planet has a tilt of 98 degrees, causing extreme seasons?
- Uranus
96. What is the name of the mission that returned lunar samples from the Moon in the 1970s?
- Apollo 17
97. What is the name of the largest black hole known?
- TON 618
98. What are the small, icy bodies that orbit the Sun beyond Neptune called?
- Kuiper Belt Objects
99. Which planet's rings are made of ice, dust, and rock particles?
- Saturn
100. What is the name of the international collaborative space program that aims to land humans on Mars?
- Mars Exploration Program
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