Earth. General knowledge by. Studyutsav

 

 EARTH - General Knowledge

 

 


 1. How much is the Earth tilted on its axis?

 23.30


 2. The only planet in the solar system on which there is life?

 earth


 3. What is the place of Earth among the major planets of the Solar System?

 fifth


 4. What is the equatorial diameter of the Earth?

 12756 kms.  Similarly, its polar diameter is 12714 km.


 5. In which direction does the earth spin on its axis?

 West to East


 6. At what speed and in how much time does the earth complete the rotation of its axis?

 In 23 hours 56 minutes 4 seconds at a speed of 1610 kilometers per hour.


 7. At what speed of the earth does day and night occur?

 rotation


 8. At what speed of the earth are the years formed?

 rotation


 9. How much time does the Earth take to revolve around the Sun?

 365 days 5 hours 48 minutes 46 seconds i.e. 365 days 6 hours.


 10. What is the time taken by the earth to make one revolution around the sun called?

 solar year


 11. How much time increases in each solar year or calendar year?

 6 hours


 12. Which planet is similar to Earth in terms of size and texture?

 Venus


 13. For what reason is the earth called the blue planet?

 Due to the presence of water.


 14. Which is the closest star to the Earth after the Sun?

 Proxima Century


 15. Which is the only satellite of the earth?

 moon


 16. The science that studies the surface and interior of the Moon is called?

 Cenology


 17. What is the dust field on the moon called?

 peace ocean


 18. What is called a fossil planet?

 moon


 19. With whose light does the moon shine?

 sun


 20. What is the reason for rising tides in the sea?

 The ratio of the expected solar and moon powers is 11:5.


 21. Which metal is the largest in the rocks found on the Moon?

 Titanium


 22. What percentage of the Moon is visible from Earth?

 57 percent


 23. In how many days does the Moon revolve around the Earth?

 27 days 8 hours


 24. Which is the highest mountain of the Moon?

 Leibniz Mountains


 25. Who was the first astronaut to reach the moon?

 Neil Armstrong and Sir Edwin Aldin


 26. When did the astronauts succeed in reaching the Moon?

 21 July 1969 AD.


 27. By which vehicle did the astronauts who reached the moon for the first time?

 Apollo-11


 28. What is the cycle of light?

 The imaginary line that divides the illuminated and unlit parts of the earth.


 29. What is the direction of rotation of the earth?

 West to East


 30. What is the orbit in which the Earth revolves around the Sun called?

 ellipsoid


 31. What is Apside Line?

 The imaginary line joining the subsolar and the perihelion passes through the center of the sun, it is called the apside line.


 32. What is a subsauric?

 On January 3, the distance between the Sun and the Earth decreases, which is called subsolar.


 33. What is Apsauric?

 On July, the Earth moves away from the Sun, it is called Apsauric.


 34. What is latitude?

 It is an imaginary line drawn from west to east on the globe, which is displayed in degrees.


 35. Which line is considered as the position of zero degree?

 equator


 36. What is longitude?

 It is an imaginary line drawn from north to south on the globe.


 37. On the basis of which lines the time of a place is known?

 longitude


 38. What is the distance between two lines of longitude called?

 blondes


 39. What is a solar eclipse?

 Whenever the Moon comes between the Sun and the Earth during the day, the shining surface of the Sun is not visible due to the Moon, it is called a solar eclipse.


 40. On which day does the total solar eclipse happen?

 new moon day


 41. What is a lunar eclipse?

 When the Earth comes between the Sun and the Moon, then the full light of the Sun does not fall on the Moon, it is called a lunar eclipse.


 42. On which night does a total lunar eclipse occur?

 full moon night


 43. How is time determined?

 When there is a difference of one longitude, there is a difference of four minutes in time.  Since the Earth rotates from west to east, each longitude increases by four minutes as we move east and decreases by four minutes on each longitude we move west.


 44. What is the International Date Line?

 180 degree longitude is called International Date Line.

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