Earth's Heat Zones and Celestial Events Explained
Heat zone
Heat zones of the earth
surface are
Broadly categorized into
following
Zones:
I.
Torrid zone
II.
Temperate zone
III.
Frigid zone
Torrid Zone
The
Torrid Zone
is located
between the Tropic of Cancer at 23
1/2
° N
and the
Tropic of Capricorn
at 23
1/2
° S, covers 39.78% of Earth's
surface.
This zone is bounded on the north by the
Tropic of Cancer
and on the
south by the
Tropic of Capricorn
; these latitudes mark the northern
and southern extremes in which the sun passes directly overhead
Temperate Zone
The
North Temperate Zone
, between the Arctic Circle at 66
1/2
° N and
the
Tropic of Cancer
at 23
1/2
° N, covers 25.99% of Earth's surface.
The
South Temperate Zone
, between the Tropic of Capricorn at 23
1/2
°
S and the
Antarctic Circle
at 66
1/2
° S, covers 25.99% of Earth's surface.
In the two temperate zones, consisting of the
tepid
latitudes
, the Sun
is never directly overhead, and the climate is mild, generally ranging
from warm to cool.
Frigid Zone
The
North Frigid Zone
, between the
North Pole
at 90° N and
the
Arctic Circle
at 66
1/2
° N, covers 4.12% of Earth's surface.
The
South Frigid Zone
, from the Antarctic Circle at 66
1/2
° S and
the
South Pole
at 90° S, covers 4.12% of Earth's surface.
In the center of the zone (the
pole
) the day is one year long with six
months of daylight and six months of night. The frigid zones are the
coldest regions of Earth and are generally covered in ice and snow. It
receives slanting rays of the sun as this region lies farthest from the
equator
Perihilion, Aphelion, Solastice and Equinox
4
th
July
3
rd
January
Aphelion
is the point of the Earth’s orbit that is
farthest
away from
the Sun. Each year on July 4
th
the earth little furthe from the sun at
distance 152 million km.
Perihelion
is the point of the Earth’s orbit that is
nearest
to
the Sun. Each year on January 3
rd
the earth come close to the sun at
distance 147 million km.
The day of a solstice in either hemisphere has either the
most
sunlight
of the year (
summer solstice
) or the least sunlight of
the year (
winter solstice
) for any place other than the
Equator
.
Heat zones of the earth surface are categorized into Torrid, Temperate, and Frigid zones. The Torrid Zone lies between the Tropic of Cancer and the Tropic of Capricorn, experiencing the most direct sunlight. The Temperate Zones have milder climates and are situated between the Arctic and Antarctic Circles. The Frigid Zones encompass the poles and are characterized by extreme cold temperatures. Additionally, the content discusses the concepts of Perihelion, Aphelion, Solstices, and Equinoxes, highlighting the Earth's orbit around the sun and the variations in daylight throughout the year.
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Presentation Transcript
Heat zone Heat zones of the earth surface are Broadly categorized following Zones: into I. Torrid zone II. Temperate zone III.Frigid zone
Torrid Zone The Torrid Zone is located between the Tropic of Cancer at 231/2 N and the Tropic of Capricorn at 231/2 S, covers 39.78% of Earth's surface. This zone is bounded on the north by the Tropic of Cancer and on the south by the Tropic of Capricorn; these latitudes mark the northern and southern extremes in which the sun passes directly overhead Temperate Zone The North Temperate Zone, between the Arctic Circle at 661/2 N and the Tropic of Cancer at 231/2 N, covers 25.99% of Earth's surface. The South Temperate Zone, between the Tropic of Capricorn at 231/2 S and the Antarctic Circle at 661/2 S, covers 25.99% of Earth's surface. In the two temperate zones, consisting of the tepid latitudes, the Sun is never directly overhead, and the climate is mild, generally ranging from warm to cool.
Frigid Zone The North Frigid Zone, between the North Pole at 90 N and the Arctic Circle at 661/2 N, covers 4.12% of Earth's surface. The South Frigid Zone, from the Antarctic Circle at 661/2 S and the South Pole at 90 S, covers 4.12% of Earth's surface. In the center of the zone (the pole) the day is one year long with six months of daylight and six months of night. The frigid zones are the coldest regions of Earth and are generally covered in ice and snow. It receives slanting rays of the sun as this region lies farthest from the equator
Perihilion, Aphelion, Solastice and Equinox 3rd January 4th July
Aphelion is the point of the Earths orbit that is farthest away from the Sun. Each year on July 4th the earth little furthe from the sun at distance 152 million km. Perihelion is the point of the Earth s orbit that is nearest to the Sun. Each year on January 3rd the earth come close to the sun at distance 147 million km. The day of a solstice in either hemisphere has either the most sunlight of the year (summer solstice) or the least sunlight of the year (winter solstice) for any place other than the Equator.
