The earth moves round the sun in an elliptical orbit at an average speed of 29.8 km per second.Two chief characteristics of the revolution of the earth are. State two chief characteristics of the revolution of the earth. The motion of the earth around the sun in an elliptical orbit is called revolution. The path of the earth around the sun is known as elliptic. This keeps all objects at rest with reference to the motions of the earth. We do not feel the motions of the earth because the force of gravity keeps everything attached to the earth. State one reason why we do not feel the motions of the earth. All the places on the earth would have had the same temperature throughout the year.The length of day and night would have been equal at all places on the earth.Two possible consequences if the axis of the earth was vertical instead of inclined are. Mention any two possible consequences if the axis of the earth was vertical instead of inclined. Rotation causes difference in time over various places on the earth.Day and night are caused by the rotation of the earth on its axis.Two effects of the rotation of the earth are. State two effects of the rotation of the earth. The angle at which the earth is tilted is known as the inclination of the earth's axis. Inclination of axis- The earth is always tilted in the same direction as it moves round the sun. Question 3ĭescribe two characteristics of rotation.ĭirection- The earth completes one rotation from west to east on its axis in 23 hours, 56 minutes, 4.09 seconds. The two chief motions of the earth are rotation and revolution. The axis of the earth makes an angle of 23 1/2° with the vertical or 66 1/2° with the plane of the earth's orbit. The earth is always tilted in the same direction as it moves round the sun. What is meant by the inclination of earth's axis? At what angle is the earth's axis inclined? Prime Meridian Short Answer Questions Question 1 :: Indian Standard Time : Standard Meridian of India World Standard Time: 0° :: Indian Standard Time. is as long as the sun is 18° below the horizon.might last for as much as 7 weeks at the poles.The period of diffused light between sunset and complete darkness is called. Name the phenomenon when the regions beyond the Arctic Circle experience 24 hours daylight. Summer in northern hemisphere Question 12 Which of the following is true about the aphelion? The lighted part of the earth is called the : Which of the following is true about the perihelion position of the earth? The direction of motion is the same as rotation.Which of the following is true about the revolution of the earth around the sun? What is the time difference between two consecutive lines of longitude? Aphelion : the equator is closest to the sun.Īphelion: earth is farthest from the sun Question 6.
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