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Area: 510 million square kilometre
Average distance from Sun is 149 million kilometre
Aphelion: Farthest position of Earth from Sun . The Earth reaches it's aphelion on July 4 when the earth is at a distance of 152 million km
The shape of the earth is oblate spheroid or oblate ellipsoid (i..e. almost spherical , flattened a little at the poles with a slight bulge at the centre).
2. Revolution or annual movement.
# Rotation
. The earth spins phone its imaginary axis from west to east in 23 hours 56 minute and 40.90 one second
. Rotation velocity at equator is 1667 km per hour and it decreases towards the poles, where it is zero
# Earth's rotation result in
1.Causation of days and nights
2. Of one hour between two meridians are 15 degree apart
3. Who the direction of wind and ocean currents
4. Rise and fall of trades everyday
. The longest day in North hemisphere is 21 June, while shortest day is on 22 December (vice versa in southern hemisphere)
. And nights almost equal at the equator.
# Revolution
It is Earth's ocean in elliptical orbit around the sun.
Earth's average orbital velocity is 29. 79 km per second
Revolution of earth result in
. Change of seasons
. Variation in the lengths of days and nights different time of the year
. Shifting of wind belts
. Determination of latitudes
Four Seasons are
1. Springs: on March 21 the sun is directly overhead the equator. This is the season of Spring in the Northern hemisphere
2. Summer : On July 21 the sun is directly overhead tropic of cancer. Does the northern hemisphere experiences summer
3. Autumn: On September 23 the son Returns to the equator the northern hemisphere experience Autumn season
4. Winter : On December 22 , the sun the Tropic of Capricorn and the northern hemisphere experience winter
North pole experiences they from 21 March to 23 September
South Pole experiences day from 23 September to 21 March.
It is the 180 degree meridian running over the pacific Ocean deviating Aleutian islands , fiji , sanmoa and Gilbert islands.
Information of Earth :- Earth is the third planet from the Sun and the fifth largest . From the perspective we get on earth, our planet appears to be big and sturdy with an endless ocean of air. Our planet's gain is everyone's gain. Roughly 70% earth"s surface is covered by water, most of it in the oceans .Its diameter is about 8,000 miles and Earth is the third-closest planet to the sun.
Earth
Is also called blue planet. It is the densest of all planets.
Circumference: 40, 232 kilometreArea: 510 million square kilometre
Average distance from Sun is 149 million kilometre
Perihelion: Nearest position of earth to sun. The earth reaches its perihelion on January 3, every year at the distance of about 147 million km
Aphelion: Farthest position of Earth from Sun . The Earth reaches it's aphelion on July 4 when the earth is at a distance of 152 million km
The shape of the earth is oblate spheroid or oblate ellipsoid (i..e. almost spherical , flattened a little at the poles with a slight bulge at the centre).
# Earth movements
There are two types of moments
1. Rotation or daily movement2. Revolution or annual movement.
# Rotation
. The earth spins phone its imaginary axis from west to east in 23 hours 56 minute and 40.90 one second
. Rotation velocity at equator is 1667 km per hour and it decreases towards the poles, where it is zero
# Earth's rotation result in
1.Causation of days and nights
2. Of one hour between two meridians are 15 degree apart
3. Who the direction of wind and ocean currents
4. Rise and fall of trades everyday
. The longest day in North hemisphere is 21 June, while shortest day is on 22 December (vice versa in southern hemisphere)
. And nights almost equal at the equator.
# Revolution
It is Earth's ocean in elliptical orbit around the sun.
Earth's average orbital velocity is 29. 79 km per second
Revolution of earth result in
. Change of seasons
. Variation in the lengths of days and nights different time of the year
. Shifting of wind belts
. Determination of latitudes
# Seasons
Seasons are periods into which the year can we divided as a result of the climatic conditions largely due to the change in the duration and intensity due to the changes in the duration and intensity of solar radiation.
Four Seasons are
1. Springs: on March 21 the sun is directly overhead the equator. This is the season of Spring in the Northern hemisphere
2. Summer : On July 21 the sun is directly overhead tropic of cancer. Does the northern hemisphere experiences summer
3. Autumn: On September 23 the son Returns to the equator the northern hemisphere experience Autumn season
4. Winter : On December 22 , the sun the Tropic of Capricorn and the northern hemisphere experience winter
# Midnight Sun
It is a phenomenon, seen the latitude 66×1/2 degree north and south (or the Arctic and antarctic circles).North pole experiences they from 21 March to 23 September
South Pole experiences day from 23 September to 21 March.
# International date line
It is the 180 degree meridian running over the pacific Ocean deviating Aleutian islands , fiji , sanmoa and Gilbert islands.
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