Astronomy helps us understand the universe beyond Earth, from planets and stars to galaxies and space phenomena. This quiz is designed to test basic knowledge of space in a fun and engaging way, making learning astronomy simple, interesting, and memorable for students.
Ans. A group of stars forming a pattern is called a constellation.
Ans. The outermost layer of the Sun is called the corona.
Ans. The planet that rotates on its side is Uranus.
Ans. The force that keeps planets in orbit is gravity.
Ans. The hottest planet in the solar system is Venus.
Ans. The center of a galaxy is called the galactic core.
Ans. The planet with the shortest year is Mercury.
Answer: Venus
23. What do we call rocks from space that reach Earth?
Answer: Meteorites
24. What is the dark area on the Moon called?
Answer: Crater
25. Which planet is the coldest?
Answer: Neptune
26. What is the path of a planet around the Sun called?
Answer: Orbit
27. What is a supernova?
Answer: An explosion of a dying star
28. Which planet is known as the Morning Star?
Answer: Venus
29. What type of galaxy is the Milky Way?
Answer: Spiral galaxy
30. What instrument is used to observe distant stars?
Answer: Telescope
31. What is an asteroid belt?
Answer: A region between Mars and Jupiter filled with asteroids
32. Which planet has the Great Red Spot?
Answer: Jupiter
33. What is the Sun classified as?
Answer: A star
34. What do we call the boundary of a black hole?
Answer: Event horizon
35. Which planet has the fastest rotation?
Answer: Jupiter
36. What is the name of the first artificial satellite?
Answer: Sputnik 1
37. What causes solar eclipses?
Answer: The Moon blocking the Sun
38. What causes lunar eclipses?
Answer: Earth’s shadow falling on the Moon
39. What is dark matter?
Answer: Invisible matter that affects gravity
40. Which planet has extreme winds?
Answer: Neptune
41. What do we call the birthplace of stars?
Answer: Nebula
42. Which planet has a day longer than its year?
Answer: Venus
43. What is the name of NASA’s famous space telescope?
Answer: Hubble Space Telescope
44. What is a dwarf planet?
Answer: A small planet-like celestial body
45. Which dwarf planet was once called the ninth planet?
Answer: Pluto
46. What is the glowing gas around the Sun during an eclipse called?
Answer: Corona
47. What do we call the imaginary line Earth rotates on?
Answer: Axis
48. Which planet is farthest from the Sun?
Answer: Neptune
49. What is a meteor shower?
Answer: A period when many meteors are seen
50. What is the temperature source of the Sun?
Answer: Nuclear fusion
51. What type of object is Halley’s Comet?
Answer: A comet
52. What is the second largest planet?
Answer: Saturn
53. What do we call planets outside our solar system?
Answer: Exoplanets
54. What is the name of the first human in space?
Answer: Yuri Gagarin
55. Which planet has no atmosphere?
Answer: Mercury
56. What is the name of India’s space agency?
Answer: ISRO
57. What is the Sun’s gravity-powered process called?
Answer: Nuclear fusion
58. What is the nearest galaxy to the Milky Way?
Answer: Andromeda Galaxy
59. What do we call the movement of Earth around the Sun?
Answer: Revolution
60. What causes tides on Earth?
Answer: The Moon’s gravitational pull
61. What is a binary star system?
Answer: Two stars orbiting each other
62. Which planet is known as the Blue Planet?
Answer: Earth
63. What is the outer boundary of our solar system called?
Answer: Kuiper Belt
64. Which planet has methane in its atmosphere?
Answer: Uranus
65. What is the bright streak seen during a meteor?
Answer: Ionized trail
66. What is the name of the Moon’s dark plains?
Answer: Maria
67. Which planet has the strongest gravity?
Answer: Jupiter
68. What do we call the explosion of the Sun’s surface?
Answer: Solar flare
69. What is a constellation used for historically?
Answer: Navigation and calendars
70. Which planet is also called the Evening Star?
Answer: Venus
71. What is the term for zero gravity conditions?
Answer: Microgravity
72. What is the Sun’s expected final stage called?
Answer: White dwarf
73. Which planet has icy rings?
Answer: Saturn
74. What is the study of the universe called?
Answer: Astronomy
75. What is a black hole formed from?
Answer: A collapsed massive star
76. Which planet has the thickest atmosphere?
Answer: Venus
77. What is the name of Earth’s magnetic shield?
Answer: Magnetosphere
78. What do we call a rock orbiting the Sun?
Answer: Asteroid
79. Which planet has the most visible moons?
Answer: Jupiter
80. What is the Sun’s age approximately?
Answer: About 4.6 billion years
81. What is the bright core of a comet called?
Answer: Nucleus
82. What causes seasons on Earth?
Answer: Tilt of Earth’s axis
83. Which planet has the weakest gravity?
Answer: Mercury
84. What do we call the Moon’s movement around Earth?
Answer: Revolution
85. What is cosmic radiation?
Answer: High-energy radiation from space
86. Which planet has ammonia clouds?
Answer: Jupiter
87. What is the name of the farthest known dwarf planet?
Answer: Eris
88. What is the Sun’s surface called?
Answer: Photosphere
89. What do we call a failed star?
Answer: Brown dwarf
90. Which planet has the largest volcano?
Answer: Mars
91. What is the name of Earth’s galactic address region?
Answer: Orion Arm
92. What do we call the spinning of Earth?
Answer: Rotation
93. Which planet is smallest?
Answer: Mercury
94. What is the dark side of the Moon actually called?
Answer: Far side of the Moon
95. What causes auroras?
Answer: Solar wind interacting with Earth’s magnetic field
96. What is the bright band seen in the night sky?
Answer: Milky Way
97. Which planet has carbon dioxide clouds?
Answer: Venus
98. What do we call space between galaxies?
Answer: Intergalactic space
99. What is the Sun’s light energy called?
Answer: Solar radiation
100. What branch of science studies space missions?
Answer: Astronautics
