62 General Knowledge questions and answers on Universe | Space
1. Which star is at the center of our Solar System? Sun
2. What is the diameter of Sun? 392,684 km (865,374 mi)
3. What percent of the solar system’s mass does Sun
holds? 99.8 percent.
4. How many stars are in the Milky Way? more
than 100 billion.
5. When was Sun born? roughly 4.6 billion years
ago.
6. What is the distance between sun and earth? 92,960,000
miles (149,600,000 km).
7. Sun’s Chemical Composition: 71% of Hydrogen,
26.5% Helium and2.5% of other elements.
8. How much time does sun rays take to reach earth?
8 minutes.
9. Which planet isnearest tothe earth ? MERCURY.
10. Which planet is known as the Morning Star or
the Evening Star, VENUS.
11. What is the diameter of MERCURY? 3,032 miles
(4,879 km).
12. What is the
diameter of VENUS? 7,521 miles (12,104 km).
13. What is the
diameter of EARTH? 7,918 miles (12,742 km).
14. What is the
diameter of MARS? 4,212 miles (6,779 km)
15. What is the
diameter of JUPITER? 86,881 miles (139,822 km).
16. What is the
diameter of SATURN? 120 536 kilometers
17. What is the
diameter of URANUS? 31,518 miles (50,724 km).
18. What is the
diameter of NEPTUNE? 30,599 miles (49,244 km).
19. What is the
diameter of PLUTO? 2360 kilometers.
20. Which is the
largest planet in our solar system? JUPITER.
21. Which Planet
Has the Most Moons? the planet with the most number of moons is Jupiter with
66 moons.
22. Which planet is
closest to the sun? name of the closest planet to the sun is : Mercury.
23. Which Is the
Hottest Planet in the solar system? Venus.
24. Which Planets
Have Rings around Them? Saturn, Jupiter, Uranus, and Neptune (4 planets).
25. Which is the
coldest andsmallest of all planets? PLUTO.
26. Which Star is
called Earth’s satellite? Moon.
27. What is the Average
distance of Moon from Earth? 238,855 miles (384,400 km).
28. What is the age
of Moon? 4.527 billion years.
29. What is the
Orbital period of Moon? 27 days.
30. What is the
Circumference of Moon? 6,784 miles (10,917 km).
31. Which planet
has the most volcanoes? Venus.
32. Which planets
do not have moons? Mercury and Venus.
33. How much larger
the Sun is than Earth? 300000 times.
34. When the
Halley’s Comet will be visible from Earth again? 2061.
35. What is the
surface temperature of Venus? over 450 degrees Celsius.
36. When was the
Solar System formed? around 4.6 billion years ago.
37. A person who
weighs 200 pounds on earth, what would he weigh on the surface ofMars? 76
pounds.
38. Which Planet
spins backwards relative to the others? Venus.
39. When was the
first manmade object sent into space? 1957.
40. Name Jupiter’s
4 biggest moons: Europa, Ganymede, Callisto and Io.
41. Why do we have
high & low tides? because of the Sun & Moons gravity.
42. Where is The
“edge of space” located? 100 km (62 mi) above sea level.
43. What is an
astronaut employed by the Russian Federal Space Agency called? Kosmonavt.
44. Who was the
first person to reach space? Yuri Gagarin, in 1961.
45. Who was the
first woman to reach space? Valentina Tereshkova, in 1963.
46. Name five
recognized dwarf planets : Pluto, Ceres, Eris, Makemake & Haumea.
47. The Moon orbits
the Earth every –27.3 days.
48. Who was the
first person to set foot on the Moon?Neil Armstrong.
49. What is the
average surface temperature of the Moon?107 degrees Celsius during the day and
-153 degrees Celsius at night.
50. When does a
lunar eclipse occur?when the Earth is between — the Sun and the Moon.
51. At how mush
speed Moon moves across the Sun? 2,250
km per hour.
52. How long a
solar eclipse can last? 7 and a half minutes.
53. What is the
Equatorial Circumference of Earth? 40,030 km.
54. What is Earth’s
surface temperature? -88 to 58°C.
55. When was the
Earth formed? approximately 4.54 billion years ago.
56. How many
natural satellites of Earth are there? one, Moon.
57. What are the
notable satellites of Mars? Phobos & Deimos.
58. Which planet
has approximately the same landmass as Earth? Mars.
59. What are the
notable satellites of Pluto? Charon, Nix, Hydra, Kerberos and Styx.
60. When was the
Pluto reclassified from a planet to a dwarf planet? in 2006.
61. How many stars
are there in Andromeda Galaxy? 1 trillion.
62. At which speed
the Andromeda Galaxy is approaching the Milky Way? at approximately hundred to
hundred and forty kilometers per second.
