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Chapter 3 - Motions of the Earth
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Motions of the Earth

Dr Swasti Sinha
Dental Surgeon | Learner | Educator | Bibliophile | Ambivert

U
Unacademy user
Thanks so much mam 👌👌👍👍
mam in winters distance should be more i mean perihelion should be more and in summers vice -versa
  1. CHAPTER-3 MOTIONS OF THE EARTH PRESENTED BY Dr. SWASTI SINHA


  2. The vertical line from the earth's orbital plane North Pole 23%" of The plane of the earth's orbit ropic of South Pole


  3. 23 30 66 30 -Sun quator Plane of ecliptic Plane of equator Axis


  4. TWOTYPES OF MOTIONS 1. ROTATION 2. REVOLUTION


  5. Earth Moon Rotation Sun Revolution


  6. Axis Sun Earth Day Night


  7. TYPES OF MOTION 1. ROTATION 2. REVOLUTION ORBITAL PLANE CIRCLE OF ILLUMINATION EARTH DAY Concept of Leap Year .


  8. Spring Summer Sun Equator Winter Autumn


  9. Earth's Orbit, Axial Tilt, and the Seasons Vernal Equinox 21 March Earths spin axis is tilted relative to the orbital plane Spring Northern Hemispherel Summer in North Hemispher 234 Summer Solstice 21 June Winter Solstice No Sunlight on Northpole Aphelion-Jul. 4 1.01671 AU 22 Dec Perihelion 0.98329 AU ropic of Cancer Equator ropic of Capricorn Summer in South Hemisphere No Sunlight on South Pole Winter in Southh Hemishphere Autumnal Equinox 23 Sept Fall Northern Hemisphere


  10. 21st June summers in northern hemisphere longest day and shortest night summer solstice 22nd December summer in southern hemisphere longer days and shorter nights winter solstice 21st March and 23rd September equal days and equal nights Equinox