1. What is the largest planet in our solar system?
A) Earth
B) Venus
C) Jupiter
D) Mars
2. Which planet is known as the hottest in our solar system?
A) Mercury
B) Venus
C) Jupiter
D) Saturn
3. A supernova is an event that occurs when:
A) A star moves out of the Milky Way.
B) A star explodes.
C) Two planets collide.
D) A comet passes the Earth.
4. What is the shape of our Milky Way galaxy?
A) Elliptical
B) Irregular
C) Spiral
D) Spherical
5. Neptune is recognized in the International Astronomical Union as a:
A) Comet
B) Dwarf Planet
C) Planet
D) Star
6. The first Chinese national to walk in space was:
A) Yang Liwei
B) Zhai Zhigang
C) Liu Yang
D) Wang Yaping
7. Which planet is closest to Earth?
A) Venus
B) Mars
C) Jupiter
D) Mercury
8. The fusion of which element is the main source of a star's energy?
A) Oxygen
B) Carbon
C) Hydrogen
D) Helium
9. The solar system's dwarf planet that orbits in a direction opposite to most planets is:
A) Ceres
B) Pluto
C) Venus
D) Uranus
10. The first artificial satellite, launched by the Soviet Union, was named:
A) Sputnik 1
B) Explorer 1
C) Apollo XI
D) Hubble Space Telescope
11. The first person to orbit the Earth was:
A) Neil Armstrong
B) Yuri Gagarin
C) John Glenn
D) Alan Shepard
12. How many times larger is Jupiter than Earth?
A) About 5 times
B) About 10 times
C) About 20 times
D) About 50 times
13. Which planet has the fastest orbit around the Sun?
A) Earth
B) Mercury
C) Venus
D) Mars
14. Venus has an unusual orbit pattern because it:
A) Orbits in the opposite direction to most planets.
B) Is the slowest orbiting planet.
C) Orbits outside the asteroid belt.
D) Has no moons.
15. What characterizes the planet with the slowest orbit around the Sun?
A) Its size
B) Its distance from the Sun
C) Its composition
D) Its axial tilt
A) Earth
B) Venus
C) Jupiter
D) Mars
2. Which planet is known as the hottest in our solar system?
A) Mercury
B) Venus
C) Jupiter
D) Saturn
3. A supernova is an event that occurs when:
A) A star moves out of the Milky Way.
B) A star explodes.
C) Two planets collide.
D) A comet passes the Earth.
4. What is the shape of our Milky Way galaxy?
A) Elliptical
B) Irregular
C) Spiral
D) Spherical
5. Neptune is recognized in the International Astronomical Union as a:
A) Comet
B) Dwarf Planet
C) Planet
D) Star
6. The first Chinese national to walk in space was:
A) Yang Liwei
B) Zhai Zhigang
C) Liu Yang
D) Wang Yaping
7. Which planet is closest to Earth?
A) Venus
B) Mars
C) Jupiter
D) Mercury
8. The fusion of which element is the main source of a star's energy?
A) Oxygen
B) Carbon
C) Hydrogen
D) Helium
9. The solar system's dwarf planet that orbits in a direction opposite to most planets is:
A) Ceres
B) Pluto
C) Venus
D) Uranus
10. The first artificial satellite, launched by the Soviet Union, was named:
A) Sputnik 1
B) Explorer 1
C) Apollo XI
D) Hubble Space Telescope
11. The first person to orbit the Earth was:
A) Neil Armstrong
B) Yuri Gagarin
C) John Glenn
D) Alan Shepard
12. How many times larger is Jupiter than Earth?
A) About 5 times
B) About 10 times
C) About 20 times
D) About 50 times
13. Which planet has the fastest orbit around the Sun?
A) Earth
B) Mercury
C) Venus
D) Mars
14. Venus has an unusual orbit pattern because it:
A) Orbits in the opposite direction to most planets.
B) Is the slowest orbiting planet.
C) Orbits outside the asteroid belt.
D) Has no moons.
15. What characterizes the planet with the slowest orbit around the Sun?
A) Its size
B) Its distance from the Sun
C) Its composition
D) Its axial tilt
16. Who was the first woman to be sent into space?
A) Valentina Tereshkova
B) Sally Ride
C) Mae Jemison
D) Liu Yang
17. The first Chinese astronaut in space was:
A) Yang Liwei
B) Zhai Zhigang
C) Liu Boming
D) Jing Haipeng
18. Miroslaw Hermaszewski was the first astronaut from:
A) Russia
B) Poland
C) Romania
D) China
19. Who was the first Romanian in space?
A) Dumitru Prunariu
B) Ilie Stoian
C) Dorin Prunariu
D) Liviu Librescu
20. The brightest planet in the night sky is:
A) Mars
B) Venus
C) Jupiter
D) Saturn
21. The source of energy for the Sun is primarily due to the fusion of:
A) Helium into carbon
B) Hydrogen into helium
C) Carbon into oxygen
D) Oxygen into silicon
22. The dwarf planet that orbits the Sun at the highest inclination to the ecliptic is:
A) Ceres
B) Pluto
C) Eris
D) Makemake
23. A lunar eclipse does not occur every month because:
A) The moon's orbit is inclined relative to Earth's orbit.
B) The Earth does not align between the sun and the moon.
C) The moon is too small to cast a shadow.
D) The sun's light is too diffused by Earth's atmosphere.
24. The first Canadian to walk in space was:
A) Chris Hadfield
B) Marc Garneau
C) Roberta Bondar
D) Julie Payette
25. When does a solar eclipse occur?
A) When the moon comes between the sun and Earth during a new moon.
B) When the Earth comes between the sun and the moon during a full moon.
C) When the moon is at its farthest point from Earth.
D) During the moon's waning phase.
26. The lunar features known as "seas" or "maria" are:
A) Actual bodies of water.
B) Craters filled with water.
C) Large, dark, basaltic plains formed by ancient volcanic eruptions.
D) Areas covered with thick dust.
27. Which planet has rings composed mainly of ice particles and dust?
A) Jupiter
B) Saturn
C) Uranus
D) Neptune
28. The mass of the moon compared to Earth is:
A) About the same
B) 1/6th
C) 1/18th
D) 1/81st
29. The evening star, often seen just after sunset, is typically which planet?
A) Mars
B) Venus
C) Mercury
D) Jupiter
30. Uranus completes an orbit around the Sun approximately every:
A) 84 days
B) 84 months
C) 84 years
D) 184 years
31. Which planet has the largest number of satellites?
A) Earth
B) Mars
C) Jupiter
D) Saturn
32. A year on which planet is equivalent to 88 Earth days?
A) Mars
B) Venus
C) Mercury
D) Jupiter
33. Which space agency launched its first spacecraft to the moon, named smart-1?
A) NASA
B) ESA
C) Roscosmos
D) ISRO
34. The operation that was the first mission to Mars was:
A) Operation Sea Finder
B) Operation Mars Trek
C) Operation Red Planet
D) Operation Path Finder
35. Which mission marked the first time a spacecraft enabled a person to step on the moon?
A) Apollo 11
B) Sputnik 1
C) Gemini IV
D) Voyager 1
36. Who was the first Malaysian in space?
A) Sheikh Muszaphar Shukor
B) Abdul Ahad Mohmand
C) Rakesh Sharma
D) Pham Tuan
37. The first Saudi in space was:
A) Sultan bin Salman Al Saud
B) Prince Sultan bin Salman
C) Muhammed Faris
D) Talal Al Saud
38. A solar eclipse that occurs on a full moon day is referred to as a:
A) Total solar eclipse
B) Lunar eclipse
C) Partial solar eclipse
D) Hybrid eclipse
39. The 'zodiac' signs or 'houses' are named after stars only.
A) True
B) False
40. The first artificial satellite sent by the European space agency was named:
A) Apollo
B) Galileo
C) smart-1
D) Artemis
41. On which date did the space age begin with the launch of the Russian satellite?
A) October 4, 1957
B) July 20, 1969
C) April 12, 1961
D) November 3, 1957
42. The first European in space was:
A) Yuri Gagarin
B) Helen Sharman
C) Valentina Tereshkova
D) Hermann Titov
43. The shape of Earth's orbit around the sun is:
A) Perfectly circular
B) Elliptical
C) Square
D) Hexagonal
44. The time it takes for Uranus to orbit the Sun is approximately:
A) 7 years
B) 84 years
C) 365 days
D) 29.5 years
45. How many times does the Earth rotate on its axis in the time it takes for the moon to orbit the Earth?
A) 1 time
B) 27 times
C) 365 times
D) 12 times
46. The longest planet name in the Solar System is:
A) Jupiter
B) Uranus
C) Mercury
D) Neptune
47. Which planet rotates on its axis from East to West?
A) Venus
B) Earth
C) Mars
D) Jupiter
48. The energy generation in stars is due to fusion of which nucleus?
A) Hydrogen
B) Helium
C) Carbon
D) Oxygen
49. Which planet is not in the same orbital plane as Earth's?
A) Mars
B) Venus
C) Mercury
D) Pluto
50. Who was the first person to walk in space?
A) Neil Armstrong
B) Yuri Gagarin
C) Alexei Leonov
D) John Glenn