What is the nucleus of a comet made of?

ice, dust, and organic materials

What is the minimum speed of a meteoroid when it enters Earth’s atmosphere?

25,000 miles (40,234 km) per hour

35,000 miles (56,327 km) per hour

20,000 miles (32,187 km) per hour

25,000 miles (40,234 km) per hour

55,000 miles (88,514 km) per hour

Astronomy and Space Quiz Quiz

54.

What is the acceleration of gravity at Earth's surface?

1.6 metres (5 feet) per second per second

11.2 metres (37 feet) per second per second

9.8 metres (32 feet) per second per second

7.5 metres (25 feet) per second per second

1. The day on which the Sun’s direct rays cross the celestial equator is called:

2. Who invented the telescope?

3. Which of these objects is the farthest from the Sun?

4. What term describes the alignment of three celestial bodies?

5. What is the smallest planet in the solar system by mass?

6. What is the visible part of the Sun called?

7. What makes a planet a dwarf planet?

8. How many times larger is the radius of the Sun than that of the Earth?

9. What two motions do all planets have?

10. Approximately how many miles (or kilometres) are there in a light-year?

11. Which is the name of a radio source that is very far from Earth?

12. What is the nucleus of a comet made of?

13. When did the Space Age begin?

14. With which US spacecraft did Neil Armstrong and Edwin Aldrin, Jr. land on the moon?

15. Which spacecraft was Laika, the first living creature sent into space?

16. Who was the first person to enter outer space twice?

17. In which year did the space shuttle Columbia disaster take place?

18. In total, how many space flights were carried out by Spacelab?

19. What is the name of the first space tourist?

20. In which year did Soviet cosmonaut Valentina Tereshkova become the first woman travel to space?

21. The atmosphere in Mars is mostly composed of:

22. For how long did the first artificial satellite Sputnik 1 stay in Earth's orbit?

23. Who discovered the Crab Nebula?

24. When was Pluto removed from the list of planets?

25. When was the first extrasolar planet discovered?

26. Which planets do not have a natural satellite?

27. Who was the first to suggest the idea of an artificial satellite?

28. What is the minimum speed of a meteoroid when it enters Earth’s atmosphere?

29. Who was the first female commander of the International Space Station (ISS)?

30. Who developed the theory of auroral phenomena?

31. Which was the first spacecraft to have a hard landing on another celestial object?

32. The first satellite to operate in geostationary orbit is:

33. The doughnut-shaped zones of highly energetic charged particles trapped at high altitudes in the magnetic field of Earth are known as:

34. In 1921, Albert Einstein received the Nobel Prize for Physics for which of his following work?

35. Which of these comprise the intermediate layers of a neutron star?

36. In which galaxy was a black hole discovered in the year 2017?

37. Who discovered the laws of planetary motion?

38. What are the clouds of interstellar gas and dust that emit light in different colors called?

39. What is a group of old stars closely packed in a symmetrical form called?

40. Which type of telescope is used for examining the moon and other planets of the solar system?

41. The number of terrestrial planets in the solar system is:

42. Which of these was discovered in the year 1998 using Type Ia supernovae?

43. Who won the 2019 Nobel Prize for Physics for physical cosmology?

44. What is the dark center of a sunspot called?

45. Who discovered the phenomenon of “Baily’s beads”?

46. What is the outermost region of the Sun’s atmosphere called?

47. The amount of light emitted by an object in a unit of time is known as:

48. Which astronomer formulated the modern big bang theory?

49. Who discovered dark matter?

50. Which part of the Sun can be seen with the naked eye?

51. Which type of star is the Sun classified?

52. The instance when the Sun is exactly above the Equator and day and night are of equal length is called:

53. When did the Steady-state theory, an alternative theory to the evolution of the universe, emerge?

54. What is the acceleration of gravity at Earth's surface?

55. Which planet's axis is almost parallel to its orbital plane, making it spin nearly on its side?

56. What is the scientific term used for the twinkling of stars?

57. Which year is Halley's Comet expected to return to the solar system?

58. When did the International Astronomical Union adopt the dwarf planet category?

59. In which year was the exoplanet Kepler-452b discovered?

60. Chandra X-ray Observatory is named after which astrophysicist?

61. Who won the Nobel Prize for the discovery of dark energy in 2011?

62. In which year was India's first mission to Mars Mangalyaan launched?

Time

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1.

The day on which the Sun’s direct rays cross the celestial equator is called:

2.

Who invented the telescope?

3.

Which of these objects is the farthest from the Sun?

4.

What term describes the alignment of three celestial bodies?

5.

What is the smallest planet in the solar system by mass?

6.

What is the visible part of the Sun called?

7.

What makes a planet a dwarf planet?

8.

How many times larger is the radius of the Sun than that of the Earth?

9.

What two motions do all planets have?

10.

Approximately how many miles (or kilometres) are there in a light-year?

11.

Which is the name of a radio source that is very far from Earth?

12.

What is the nucleus of a comet made of?

13.

When did the Space Age begin?

14.

With which US spacecraft did Neil Armstrong and Edwin Aldrin, Jr. land on the moon?

15.

Which spacecraft was Laika, the first living creature sent into space?

16.

Who was the first person to enter outer space twice?

17.

In which year did the space shuttle Columbia disaster take place?

18.

In total, how many space flights were carried out by Spacelab?

19.

What is the name of the first space tourist?

20.

In which year did Soviet cosmonaut Valentina Tereshkova become the first woman travel to space?

21.

The atmosphere in Mars is mostly composed of:

22.

For how long did the first artificial satellite Sputnik 1 stay in Earth's orbit?

23.

Who discovered the Crab Nebula?

24.

When was Pluto removed from the list of planets?

25.

When was the first extrasolar planet discovered?

26.

Which planets do not have a natural satellite?

27.

Who was the first to suggest the idea of an artificial satellite?

28.

What is the minimum speed of a meteoroid when it enters Earth’s atmosphere?

29.

Who was the first female commander of the International Space Station (ISS)?

30.

Who developed the theory of auroral phenomena?

31.

Which was the first spacecraft to have a hard landing on another celestial object?

32.

The first satellite to operate in geostationary orbit is:

33.

The doughnut-shaped zones of highly energetic charged particles trapped at high altitudes in the magnetic field of Earth are known as:

34.

In 1921, Albert Einstein received the Nobel Prize for Physics for which of his following work?

35.

Which of these comprise the intermediate layers of a neutron star?

36.

In which galaxy was a black hole discovered in the year 2017?

37.

Who discovered the laws of planetary motion?

38.

What are the clouds of interstellar gas and dust that emit light in different colors called?

39.

What is a group of old stars closely packed in a symmetrical form called?

40.

Which type of telescope is used for examining the moon and other planets of the solar system?

41.

The number of terrestrial planets in the solar system is:

42.

Which of these was discovered in the year 1998 using Type Ia supernovae?

43.

Who won the 2019 Nobel Prize for Physics for physical cosmology?

44.

What is the dark center of a sunspot called?

45.

Who discovered the phenomenon of “Baily’s beads”?

46.

What is the outermost region of the Sun’s atmosphere called?

47.

The amount of light emitted by an object in a unit of time is known as:

48.

Which astronomer formulated the modern big bang theory?

49.

Who discovered dark matter?

50.

Which part of the Sun can be seen with the naked eye?

51.

Which type of star is the Sun classified?

52.

The instance when the Sun is exactly above the Equator and day and night are of equal length is called:

53.

When did the Steady-state theory, an alternative theory to the evolution of the universe, emerge?

54.

What is the acceleration of gravity at Earth's surface?

55.

Which planet's axis is almost parallel to its orbital plane, making it spin nearly on its side?

56.

What is the scientific term used for the twinkling of stars?

57.

Which year is Halley's Comet expected to return to the solar system?

58.

When did the International Astronomical Union adopt the dwarf planet category?

59.

In which year was the exoplanet Kepler-452b discovered?

60.

Chandra X-ray Observatory is named after which astrophysicist?

61.

Who won the Nobel Prize for the discovery of dark energy in 2011?

62.

In which year was India's first mission to Mars Mangalyaan launched?